{"id":11458,"date":"2026-07-09T09:12:06","date_gmt":"2026-07-09T09:12:06","guid":{"rendered":"https:\/\/michemicals.com\/?p=11458"},"modified":"2026-07-09T09:21:57","modified_gmt":"2026-07-09T09:21:57","slug":"fibra-de-pan-este-esentiala-pentru-betonul-rezistent-la-foc","status":"publish","type":"post","link":"https:\/\/michemicals.com\/ro\/fibra-de-pan-este-esentiala-pentru-betonul-rezistent-la-foc\/","title":{"rendered":"De ce fibra PAN este esen\u021bial\u0103 pentru panourile din beton rezistente la foc: rezisten\u021b\u0103 la c\u0103ldur\u0103 \u2265200 \u00b0C"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"11458\" class=\"elementor elementor-11458\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-abc5840 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"abc5840\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-22a0bba0\" data-id=\"22a0bba0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52db2888 elementor-align-left elementor-widget elementor-widget-post-info\" data-id=\"52db2888\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-2770981 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/michemicals.com\/ro\/2026\/07\/09\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-calendar-week\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 464c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V192H0v272zm64-192c0-8.8 7.2-16 16-16h288c8.8 0 16 7.2 16 16v64c0 8.8-7.2 16-16 16H80c-8.8 0-16-7.2-16-16v-64zM400 64h-48V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v48H160V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v48H48C21.5 64 0 85.5 0 112v48h448v-48c0-26.5-21.5-48-48-48z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>iulie 9, 2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-6cd1462 elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/michemicals.com\/ro\/author\/protizerr-com\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-user-circle\" viewBox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 104c-53 0-96 43-96 96s43 96 96 96 96-43 96-96-43-96-96-96zm0 144c-26.5 0-48-21.5-48-48s21.5-48 48-48 48 21.5 48 48-21.5 48-48 48zm0-240C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm0 448c-49.7 0-95.1-18.3-130.1-48.4 14.9-23 40.4-38.6 69.6-39.5 20.8 6.4 40.6 9.6 60.5 9.6s39.7-3.1 60.5-9.6c29.2 1 54.7 16.5 69.6 39.5-35 30.1-80.4 48.4-130.1 48.4zm162.7-84.1c-24.4-31.4-62.1-51.9-105.1-51.9-10.2 0-26 9.6-57.6 9.6-31.5 0-47.4-9.6-57.6-9.6-42.9 0-80.6 20.5-105.1 51.9C61.9 339.2 48 299.2 48 256c0-110.3 89.7-200 200-200s200 89.7 200 200c0 43.2-13.9 83.2-37.3 115.9z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tmichem\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-90cb39b e-flex e-con-boxed e-con e-parent\" data-id=\"90cb39b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-30f26c80 e-con-full e-flex e-con e-child\" data-id=\"30f26c80\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7a07d117 e-con-full e-flex e-con e-child\" data-id=\"7a07d117\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43f2ce12 elementor-widget elementor-widget-heading\" data-id=\"43f2ce12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec9757b elementor-widget elementor-widget-text-editor\" data-id=\"ec9757b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>PAN (Polyacrylonitrile) fiber is essential for fire-resistant concrete panels because it maintains structural integrity at temperatures \u2265200\u00b0C \u2014 far exceeding PP fiber&#8217;s melting point of 160\u00b0C. In fire-rated panels, PAN fiber continues to bridge micro-cracks and restrain explosive spalling even under sustained thermal exposure, preventing catastrophic panel failure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-246629f elementor-widget elementor-widget-post-info\" data-id=\"246629f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-9427d2a elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-tags\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M497.941 225.941L286.059 14.059A48 48 0 0 0 252.118 0H48C21.49 0 0 21.49 0 48v204.118a48 48 0 0 0 14.059 33.941l211.882 211.882c18.744 18.745 49.136 18.746 67.882 0l204.118-204.118c18.745-18.745 18.745-49.137 0-67.882zM112 160c-26.51 0-48-21.49-48-48s21.49-48 48-48 48 21.49 48 48-21.49 48-48 48zm513.941 133.823L421.823 497.941c-18.745 18.745-49.137 18.745-67.882 0l-.36-.36L527.64 323.522c16.999-16.999 26.36-39.6 26.36-63.64s-9.362-46.641-26.36-63.64L331.397 0h48.721a48 48 0 0 1 33.941 14.059l211.882 211.882c18.745 18.745 18.745 49.137 0 67.882z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/michemicals.com\/ro\/eticheta\/panouri-din-beton-rezistente-la-foc\/\" class=\"elementor-post-info__terms-list-item\">Fire-Resistant Concrete Panels<\/a>, <a href=\"https:\/\/michemicals.com\/ro\/eticheta\/fibra-de-pan\/\" class=\"elementor-post-info__terms-list-item\">PAN fiber<\/a>, <a href=\"https:\/\/michemicals.com\/ro\/eticheta\/fibra-pp\/\" class=\"elementor-post-info__terms-list-item\">PP fiber<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-65aea576 e-flex e-con-boxed e-con e-parent\" data-id=\"65aea576\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-49394913 e-con-full e-flex e-con e-child\" data-id=\"49394913\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2cf1f283 e-con-full e-flex e-con e-child\" data-id=\"2cf1f283\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-11fa600a e-con-full e-flex e-con e-child\" data-id=\"11fa600a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b10d142 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"4b10d142\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__4b10d142\" aria-expanded=\"true\" aria-label=\"Abrir Tabela de Conte\u00fados\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__4b10d142\" aria-expanded=\"true\" aria-label=\"Fechar Tabela de Conte\u00fados\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__4b10d142\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc9d31d elementor-widget elementor-widget-text-editor\" data-id=\"fc9d31d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>PAN (Polyacrylonitrile) fiber is essential for fire-resistant concrete panels because it maintains structural integrity at temperatures \u2265200\u00b0C \u2014 far exceeding PP fiber&#8217;s melting point of 160\u00b0C. In fire-rated panels, PAN fiber continues to bridge micro-cracks and restrain explosive spalling even under sustained thermal exposure, preventing catastrophic panel failure.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-11464\" src=\"https:\/\/michemicals.com\/wp-content\/uploads\/2026\/07\/PAN-Fiber-Is-Essential-for-Fire-Resistant-Concrete-Panels.webp\" alt=\"PAN Fiber Is Essential for Fire-Resistant Concrete Panels\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/michemicals.com\/wp-content\/uploads\/2026\/07\/PAN-Fiber-Is-Essential-for-Fire-Resistant-Concrete-Panels.webp 800w, https:\/\/michemicals.com\/wp-content\/uploads\/2026\/07\/PAN-Fiber-Is-Essential-for-Fire-Resistant-Concrete-Panels-300x188.webp 300w, https:\/\/michemicals.com\/wp-content\/uploads\/2026\/07\/PAN-Fiber-Is-Essential-for-Fire-Resistant-Concrete-Panels-768x480.webp 768w, https:\/\/michemicals.com\/wp-content\/uploads\/2026\/07\/PAN-Fiber-Is-Essential-for-Fire-Resistant-Concrete-Panels-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p><p>The mechanism is straightforward: when concrete panels are exposed to fire, internal moisture vaporizes rapidly, generating pore pressures that can exceed the concrete&#8217;s tensile strength. This triggers explosive spalling \u2014 chunks of concrete violently detach from the surface, exposing reinforcement and accelerating structural collapse. Polypropylene (PP) fibers melt at 160\u00b0C, creating temporary channels for vapor escape. But above that temperature, PP fibers are gone. PAN fiber does not melt. With a heat resistance of \u2265200\u00b0C and an elastic modulus of \u22654000 MPa, PAN fiber remains physically intact and mechanically active throughout the fire event. It continues bridging micro-cracks, restraining crack propagation, and preserving the panel&#8217;s load-bearing capacity long after PP fiber has disappeared.<\/p><p>For architects, engineers, and precast panel manufacturers, this translates directly to: longer fire-resistance ratings, reduced spalling risk in high-performance concrete (HPC), and compliance with increasingly stringent fire safety codes. In short, PAN fiber isn&#8217;t just an additive \u2014 it&#8217;s the thermal backbone of fire-rated concrete panels.<\/p><hr \/><h2>Key Takeaways<\/h2><ul><li><strong>Heat resistance \u2265200\u00b0C vs. PP fiber&#8217;s 160\u00b0C melting point<\/strong> \u2014 PAN fiber does not melt under fire exposure, maintaining structural function when PP fibers have already liquefied and drained away.<\/li><\/ul><ul><li><strong>Active spalling prevention throughout fire events<\/strong> \u2014 PAN fibers bridge micro-cracks during heating, while PP fibers only provide passive vapor channels before melting.<\/li><\/ul><ul><li><strong>High-temperature modulus retention<\/strong> \u2014 PAN fiber retains significant elastic modulus above 200\u00b0C, continuing to restrain crack propagation and preserve panel integrity.<\/li><\/ul><ul><li><strong>Certification-ready compliance<\/strong> \u2014 Michem PAN Fiber meets ASTM C1116, EN 14889-2, ISO 9001:2015, and GB\/T 21120, streamlining fire-rated panel certification.<\/li><\/ul><ul><li><strong>Three engineered type options<\/strong> \u2014 High-Modulus (\u2265800 MPa), Alkali-Resistant (\u2265750 MPa, coated), and Short-Cut (\u2265700 MPa) variants match specific fire-panel production requirements.<\/li><\/ul><hr \/><h2>Why This Answer Matters<\/h2><p>Fire safety is not negotiable in modern construction. Building codes globally \u2014 from the International Building Code (IBC) to Eurocode 2 (EN 1992-1-2) and China&#8217;s GB 50016 \u2014 mandate fire-resistance ratings for structural elements, including precast concrete panels. The difference between a panel that resists fire for 60 minutes versus 120 minutes can determine life safety outcomes and regulatory compliance.<\/p><p>Tunnel fires provide stark illustration. The 1999 Mont Blanc Tunnel fire reached temperatures above 1,000\u00b0C and lasted 53 hours. The 2008 Channel Tunnel fire similarly demonstrated how explosive spalling can devastate concrete linings. In both cases, panels without adequate fiber reinforcement experienced severe spalling, exposing structural steel to direct flame impingement. Post-incident investigations repeatedly identified inadequate spalling protection as a critical failure mode.<\/p><p>The commercial consequence is equally significant. Fire-rated precast panels command premium pricing in markets from the Middle East to Southeast Asia, where high-rise construction demands proven fire performance. Specifying PAN fiber at the mix design stage is a cost-effective insurance policy: the material cost increment is marginal compared to the liability of spalling failure. For manufacturers competing on fire ratings, PAN fiber is a competitive necessity, not an optional upgrade.<\/p><hr \/><h2>Technical Deep Dive<\/h2><h3><a href=\"https:\/\/michemicals.com\/synthetic-fiber\/polyacrylonitrile-fiber-pan\/\">PAN Fiber<\/a> Thermal Stability Mechanism<\/h3><p>PAN fiber&#8217;s fire performance originates in its polymer structure. The polyacrylonitrile backbone undergoes cyclization \u2014 not melting \u2014 when heated. Above approximately 200\u00b0C, the nitrile groups (-C\u2261N) in PAN begin converting to a ladder polymer structure through intramolecular cyclization. This transformation releases minimal volatiles and forms a thermally stable carbonaceous residue. Unlike PP, which undergoes endothermic melting at 160\u00b0C and completely liquefies, PAN fiber remains solid, dimensionally stable, and mechanically functional.<\/p><p>The critical distinction is: PAN fiber creates permanent, three-dimensional reinforcement within the concrete matrix that persists across the entire fire temperature range relevant to structural design. Where PP fiber leaves empty channels (useful for initial vapor release but structurally void after melting), PAN fiber maintains crack-bridging action continuously.<\/p><h3>Concrete Spalling Physics<\/h3><p>Explosive spalling results from the convergence of three mechanisms during fire exposure:<\/p><ol><li><strong>Pore pressure buildup<\/strong>: Free and chemically bound water in concrete vaporizes at 100-300\u00b0C. In dense, low-permeability concrete (typical of HPC used in panels), steam cannot escape fast enough. Pore pressures can reach 3-5 MPa \u2014 sufficient to exceed the tensile strength of heated concrete.<\/li><\/ol><ol><li><strong>Thermal stress gradients<\/strong>: The outer layer of concrete expands faster than the cooler interior, creating compressive stresses near the surface and tensile stresses deeper in the cross-section. These thermal gradients induce cracking that, combined with pore pressure, triggers spalling.<\/li><\/ol><ol><li><strong>Restraint-induced stress<\/strong>: In fire-rated panels, external restraint from connections and adjacent panels amplifies thermal stresses, further increasing spalling susceptibility.<\/li><\/ol><p>PAN fiber addresses all three mechanisms. Its high elastic modulus resists crack opening under tensile stress. Its thermal stability ensures this resistance persists above 200\u00b0C. And its dispersion throughout the matrix creates a three-dimensional reinforcement network that constrains spalling regardless of the stress origin.<\/p><h3>Fire Test Performance Data<\/h3><p>While standard fire curves (ISO 834, ASTM E119) reach 1,000\u00b0C within 90 minutes, the critical window for fiber performance is 100-300\u00b0C \u2014 the temperature range where spalling initiates. Published research on PAN fiber-reinforced HPC demonstrates:<\/p><ul><li><strong>Spalling depth reduction<\/strong>: Up to 70% less spalling depth compared to plain concrete at equivalent fire exposure durations.<\/li><\/ul><ul><li><strong>Residual compressive strength<\/strong>: PAN fiber-reinforced specimens retain approximately 40-50% of original compressive strength after 2-hour ISO 834 exposure, versus 15-25% for plain concrete.<\/li><\/ul><ul><li><strong>Crack density reduction<\/strong>: Micro-crack density after fire exposure is reduced by approximately 60%, indicating active crack-bridging throughout the thermal event.<\/li><\/ul><h3>Comparison: PAN Fiber vs PP Fiber in Fire Scenarios<\/h3><table><tbody><tr><td><p>Property<\/p><\/td><td><p>PAN Fiber (Michem)<\/p><\/td><td><p>PP Fiber (TenaBrix\u00ae)<\/p><\/td><\/tr><tr><td><p>Heat resistance<\/p><\/td><td><p>\u2265200\u00b0C (no melting)<\/p><\/td><td><p>160\u00b0C (melts completely)<\/p><\/td><\/tr><tr><td><p>Behavior at 180\u00b0C<\/p><\/td><td><p>Solid, mechanically active<\/p><\/td><td><p>Liquefied, structurally absent<\/p><\/td><\/tr><tr><td><p>Mechanism<\/p><\/td><td><p>Continuous crack bridging<\/p><\/td><td><p>Temporary vapor channels only<\/p><\/td><\/tr><tr><td><p>Post-fire residual effect<\/p><\/td><td><p>Char layer with residual strength<\/p><\/td><td><p>Empty channels, no reinforcement<\/p><\/td><\/tr><tr><td><p>Suitable for<\/p><\/td><td><p>Fire-rated panels, tunnels, HPC<\/p><\/td><td><p>General plastic shrinkage control<\/p><\/td><\/tr><\/tbody><\/table><h3>Comparison: PAN Fiber vs Steel Fiber in Fire<\/h3><table><tbody><tr><td><p>Property<\/p><\/td><td><p>PAN Fiber (Michem)<\/p><\/td><td><p>Steel Fiber<\/p><\/td><\/tr><tr><td><p>Thermal conductivity<\/p><\/td><td><p>Low (does not conduct heat inward)<\/p><\/td><td><p>High (conducts heat to reinforcement)<\/p><\/td><\/tr><tr><td><p>Corrosion risk<\/p><\/td><td><p>None (inherently non-corrosive)<\/p><\/td><td><p>Moderate to high after fire exposure<\/p><\/td><\/tr><tr><td><p>Weight addition<\/p><\/td><td><p>Negligible<\/p><\/td><td><p>Significant (7850 kg\/m\u00b3)<\/p><\/td><\/tr><tr><td><p>Spalling prevention<\/p><\/td><td><p>Direct crack bridging + low conductivity<\/p><\/td><td><p>Mixed \u2014 can accelerate internal heating<\/p><\/td><\/tr><tr><td><p>Electromagnetic transparency<\/p><\/td><td><p>Fully transparent<\/p><\/td><td><p>Interferes with EM signals<\/p><\/td><\/tr><\/tbody><\/table><p>The low thermal conductivity of PAN fiber is a significant advantage over steel fiber in fire scenarios. Steel fibers can act as thermal bridges, conducting surface heat deeper into the panel cross-section and accelerating internal temperature rise. PAN fiber&#8217;s polymeric nature insulates rather than conducts, containing thermal damage to the surface layers.<\/p><hr \/><h2>Product Specifications<\/h2><h3>Michem <a href=\"https:\/\/michemicals.com\/synthetic-fiber\/polyacrylonitrile-fiber-pan\/\">PAN Fiber<\/a> \u2014 Technical Data<\/h3><table><tbody><tr><td><p>Parameter<\/p><\/td><td><p>Specification<\/p><\/td><\/tr><tr><td><p>Material<\/p><\/td><td><p>100% Polyacrylonitrile (PAN)<\/p><\/td><\/tr><tr><td><p>Diameter<\/p><\/td><td><p>14-18 \u03bcm<\/p><\/td><\/tr><tr><td><p>Length options<\/p><\/td><td><p>3 mm \/ 6 mm \/ 12 mm \/ 18 mm<\/p><\/td><\/tr><tr><td><p>Tensile strength<\/p><\/td><td><p>\u2265500 MPa<\/p><\/td><\/tr><tr><td><p>Elastic modulus<\/p><\/td><td><p>\u22654,000 MPa<\/p><\/td><\/tr><tr><td><p>Heat resistance<\/p><\/td><td><p>\u2265200\u00b0C<\/p><\/td><\/tr><tr><td><p>Density<\/p><\/td><td><p>~1.18 g\/cm\u00b3<\/p><\/td><\/tr><tr><td><p>Appearance<\/p><\/td><td><p>Light yellow, monofilament<\/p><\/td><\/tr><tr><td><p>Acid\/Alkali resistance<\/p><\/td><td><p>Excellent<\/p><\/td><\/tr><tr><td><p>Dispersion<\/p><\/td><td><p>Uniform in concrete mix<\/p><\/td><\/tr><\/tbody><\/table><h3>Three Engineered Types<\/h3><table><tbody><tr><td><p>Type<\/p><\/td><td><p>Tensile Strength<\/p><\/td><td><p>Key Feature<\/p><\/td><td><p>Recommended Application<\/p><\/td><\/tr><tr><td><p>High-Modulus<\/p><\/td><td><p>\u2265800 MPa<\/p><\/td><td><p>Superior crack restraint<\/p><\/td><td><p>Structural fire-rated panels, high-rise fa\u00e7ades<\/p><\/td><\/tr><tr><td><p>Alkali-Resistant<\/p><\/td><td><p>\u2265750 MPa<\/p><\/td><td><p>Coated for alkaline environments<\/p><\/td><td><p>Precast panels with extended curing, aggressive exposure<\/p><\/td><\/tr><tr><td><p>Short-Cut<\/p><\/td><td><p>\u2265700 MPa<\/p><\/td><td><p>Optimized for pumpability and dispersion<\/p><\/td><td><p>Sprayed concrete, thin panels, tunnel linings<\/p><\/td><\/tr><\/tbody><\/table><h3><a href=\"https:\/\/michemicals.com\/polypropylene-fiber-for-concrete\/\">PP Fiber<\/a> (TenaBrix\u00ae) \u2014 Reference Data<\/h3><table><tbody><tr><td><p>Parameter<\/p><\/td><td><p>Specification<\/p><\/td><\/tr><tr><td><p>Material<\/p><\/td><td><p>100% Polypropylene<\/p><\/td><\/tr><tr><td><p>Diameter<\/p><\/td><td><p>30-32 \u03bcm<\/p><\/td><\/tr><tr><td><p>Tensile strength<\/p><\/td><td><p>\u2265500 MPa<\/p><\/td><\/tr><tr><td><p>Elastic modulus<\/p><\/td><td><p>\u22654,500 MPa<\/p><\/td><\/tr><tr><td><p>Melting point<\/p><\/td><td><p>160\u00b0C<\/p><\/td><\/tr><tr><td><p>Density<\/p><\/td><td><p>0.91 g\/cm\u00b3<\/p><\/td><\/tr><\/tbody><\/table><h3>Certifications<\/h3><ul><li><strong>ASTM C1116<\/strong> \u2014 Standard Specification for Fiber-Reinforced Concrete<\/li><\/ul><ul><li><strong>EN 14889-2<\/strong> \u2014 Fibres for Concrete, Part 2: Polymer Fibres<\/li><\/ul><ul><li><strong>ISO 9001:2015<\/strong> \u2014 Quality Management Systems<\/li><\/ul><ul><li><strong>GB\/T 21120<\/strong> \u2014 Synthetic Fibres for Cement, Cement Mortar and Concrete (China National Standard)<\/li><\/ul><hr \/><h2>Practical Application Guide<\/h2><h3>Recommended Dosage for Fire-Resistant Panels<\/h3><p>The optimal PAN fiber dosage depends on the target fire-resistance rating and concrete mix design:<\/p><table><tbody><tr><td><p>Fire Rating Target<\/p><\/td><td><p>PAN Fiber Dosage<\/p><\/td><td><p>Fiber Length<\/p><\/td><td><p>Panel Type<\/p><\/td><\/tr><tr><td><p>60 minutes<\/p><\/td><td><p>0.9-1.2 kg\/m\u00b3<\/p><\/td><td><p>6 mm<\/p><\/td><td><p>Interior partition panels<\/p><\/td><\/tr><tr><td><p>90 minutes<\/p><\/td><td><p>1.2-1.5 kg\/m\u00b3<\/p><\/td><td><p>6-12 mm<\/p><\/td><td><p>Exterior fa\u00e7ade panels<\/p><\/td><\/tr><tr><td><p>120 minutes<\/p><\/td><td><p>1.5-2.0 kg\/m\u00b3<\/p><\/td><td><p>12-18 mm<\/p><\/td><td><p>Structural load-bearing panels, tunnel segments<\/p><\/td><\/tr><\/tbody><\/table><h3>Mix Design Recommendations<\/h3><p><strong>Cement content<\/strong>: Maintain 380-450 kg\/m\u00b3 for standard fire-rated panels. Higher cement contents above 500 kg\/m\u00b3 increase spalling risk and require elevated PAN fiber dosages of 1.5-2.5 kg\/m\u00b3.<\/p><p><strong>Water-cement ratio<\/strong>: Target 0.35-0.40 for HPC fire-rated panels. Lower w\/c ratios produce denser matrices with higher spalling susceptibility \u2014 precisely the scenario where PAN fiber provides maximum benefit.<\/p><p><strong>Aggregate selection<\/strong>: Calcareous aggregates (limestone, dolomite) provide better fire performance than siliceous aggregates due to higher thermal decomposition temperatures and endothermic calcination reactions. Combined with PAN fiber, calcareous aggregate mixes achieve the best spalling resistance.<\/p><p><strong>Silica fume \/ supplementary materials<\/strong>: Silica fume additions of 5-10% increase matrix density and spalling risk. When silica fume is specified for strength requirements, increase PAN fiber dosage by 0.3-0.5 kg\/m\u00b3 to compensate.<\/p><h3>Mixing Procedure<\/h3><ol><li>Add <a href=\"https:\/\/michemicals.com\/synthetic-fiber\/polyacrylonitrile-fiber-pan\/\">PAN fibers<\/a> to the aggregate batch during dry mixing \u2014 distribute evenly for 30-60 seconds.<\/li><\/ol><ol><li>Add cement and supplementary cementitious materials, continue dry mixing for 30 seconds.<\/li><\/ol><ol><li>Add water and admixtures gradually while mixing.<\/li><\/ol><ol><li>Total mixing time: 4-6 minutes after water addition to ensure uniform fiber dispersion.<\/li><\/ol><ol><li>Avoid over-mixing beyond 8 minutes, which can damage fiber integrity.<\/li><\/ol><h3>Quality Control Checks<\/h3><ul><li><strong>Wash-out test<\/strong>: Periodically wash a fresh concrete sample through a sieve to verify fiber content and distribution.<\/li><\/ul><ul><li><strong>Slump monitoring<\/strong>: PAN fiber at recommended dosages reduces slump by 10-20 mm \u2014 adjust superplasticizer dosage accordingly. Do not add water to compensate.<\/li><\/ul><ul><li><strong>Surface inspection<\/strong>: Demolded panels should show no fiber clumping or &#8220;balling&#8221; on surfaces.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01c4ec1 elementor-widget elementor-widget-heading\" data-id=\"01c4ec1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92fd208 elementor-widget elementor-widget-accordion\" data-id=\"92fd208\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1541\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1541\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Can PAN fiber completely replace steel reinforcement in fire-rated panels?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1541\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1541\"><p>No. PAN fiber functions as secondary reinforcement for crack control and spalling prevention. Primary structural reinforcement (rebar, steel mesh) remains necessary for load-bearing capacity. PAN fiber enhances fire performance; it does not replace structural steel.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1542\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1542\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the shelf life of Michem PAN Fiber?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1542\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1542\"><p>Minimum 24 months when stored in original packaging, away from direct sunlight, at temperatures below 40\u00b0C. Fibers remain dimensionally stable and chemically inert throughout the shelf life. Re-certification testing is recommended for material stored beyond 36 months.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1543\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1543\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does PAN fiber affect concrete workability?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1543\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1543\"><p>At recommended dosages (0.9-2.0 kg\/m\u00b3), PAN fiber reduces slump by approximately 10-20 mm. This is easily compensated by adjusting superplasticizer dosage by 0.1-0.3% by cement weight. PAN fiber&#8217;s uniform diameter and surface characteristics ensure good dispersion without the &#8220;balling&#8221; sometimes observed with coarser synthetic fibers.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1544\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1544\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Can PAN fiber be used with PP fiber in the same mix?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1544\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1544\"><p>Yes, this is a recognized hybrid approach. PP fibers (melting at 160\u00b0C) create early-stage vapor release channels, while PAN fibers (stable \u2265200\u00b0C) provide sustained crack bridging. A common combination is 0.6-0.9 kg\/m\u00b3 PP + 0.9-1.2 kg\/m\u00b3 PAN for panels requiring both plastic shrinkage control and fire resistance.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1545\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1545\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What fire test standards apply to PAN fiber-reinforced concrete panels?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1545\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1545\"><p>Key standards include ISO 834 (fire-resistance tests), ASTM E119 (standard test methods for fire tests), EN 1363-1 (fire resistance test standard), and RWS\/HCM curve tests for tunnel applications. PAN fiber&#8217;s contribution to spalling resistance is evaluated through visual inspection of panel condition post-test: cracking pattern, spalled area percentage, and residual cross-section.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf5c637 elementor-widget elementor-widget-text-editor\" data-id=\"cf5c637\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Conclusion<\/h2><p>Fire-resistant concrete panels represent the intersection of material science and life safety engineering. PAN fiber from Michem delivers the thermal stability \u2014 \u2265200\u00b0C heat resistance, no melting, sustained crack bridging \u2014 that fire-rated panel designs demand. Where PP fiber disappears at 160\u00b0C, PAN fiber continues working. Where steel fiber conducts heat inward, PAN fiber insulates. Where plain concrete spalls catastrophically, PAN fiber-reinforced panels maintain cross-sectional integrity.<\/p><p>For precast manufacturers, specifying Michem PAN Fiber means: predictable fire performance, documented certification compliance under ASTM C1116 and EN 14889-2, and a clear differentiator in markets where fire ratings drive specification decisions. The three type options \u2014 High-Modulus, Alkali-Resistant, and Short-Cut \u2014 ensure the right fiber for every fire-panel application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64ad6e09 elementor-post-navigation-borders-yes elementor-widget elementor-widget-post-navigation\" data-id=\"64ad6e09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-navigation.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation\" role=\"navigation\" aria-label=\"Post Navigation\">\n\t\t\t<div class=\"elementor-post-navigation__prev elementor-post-navigation__link\">\n\t\t\t\t<a href=\"https:\/\/michemicals.com\/ro\/mhec-vs-hpmc\/\" rel=\"prev\"><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-prev\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-left\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M34.52 239.03L228.87 44.69c9.37-9.37 24.57-9.37 33.94 0l22.67 22.67c9.36 9.36 9.37 24.52.04 33.9L131.49 256l154.02 154.75c9.34 9.38 9.32 24.54-.04 33.9l-22.67 22.67c-9.37 9.37-24.57 9.37-33.94 0L34.52 272.97c-9.37-9.37-9.37-24.57 0-33.94z\"><\/path><\/svg><span class=\"elementor-screen-only\">Prev<\/span><\/span><span class=\"elementor-post-navigation__link__prev\"><span class=\"post-navigation__prev--title\">MHEC vs HPMC Gel Temperature Comparison<\/span><\/span><\/a>\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation__separator-wrapper\">\n\t\t\t\t\t<div class=\"elementor-post-navigation__separator\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-post-navigation__next elementor-post-navigation__link\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4e2cf920 e-con-full e-flex e-con e-child\" data-id=\"4e2cf920\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-70f67d65 e-con-full e-flex e-con e-child\" data-id=\"70f67d65\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-308540d2 elementor-widget elementor-widget-heading\" data-id=\"308540d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Your\nReliable\nPartner\nFor\nCellulose\nEthers<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dc1d74b elementor-widget elementor-widget-button\" data-id=\"5dc1d74b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjMxMzYiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get Brand Brochure<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1aca6a59 e-con-full e-flex e-con e-child\" data-id=\"1aca6a59\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:50,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t<div class=\"elementor-element elementor-element-521a27fc e-con-full e-flex e-con e-child\" data-id=\"521a27fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-388873bc e-con-full e-flex e-con e-child\" data-id=\"388873bc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1734791c elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"1734791c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Product Listing<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15f3b5d8 elementor-align-right elementor-widget elementor-widget-button\" data-id=\"15f3b5d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/products\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">View More &gt;&gt;&gt;<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e42b181 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4e42b181\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54f5e68d elementor-align-left elementor-widget elementor-widget-button\" data-id=\"54f5e68d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/cellulose-ether\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cellulose Ether<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c425fcb elementor-align-left elementor-widget elementor-widget-button\" data-id=\"c425fcb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/various-performance-additives\/rigid-redispersible-polymer-powder-excellent-adhesion\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Redispersible Polymer Powder<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c908a98 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"7c908a98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/cellulose-ether\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Synthetic Fiber<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e107764 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"3e107764\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/superplasticizer\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Superplasticizer<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-516cc01f elementor-align-left elementor-widget elementor-widget-button\" data-id=\"516cc01f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/various-performance-additives\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Other Products<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d6006fe elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2d6006fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Product Applications<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29dffb64 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"29dffb64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2685673b elementor-align-left elementor-widget elementor-widget-button\" data-id=\"2685673b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/construction-materials\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Construction Materials<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2254ddaf elementor-align-left elementor-widget elementor-widget-button\" data-id=\"2254ddaf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/paints-and-coatings\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Paints &amp; Coatings <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad425ab elementor-align-left elementor-widget elementor-widget-button\" data-id=\"ad425ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/daily-chemicals-personal-care\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"> Daily Chemicals &amp; Personal Care<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40c5217b elementor-align-left elementor-widget elementor-widget-button\" data-id=\"40c5217b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/building-materials\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ceramics &amp; Building Materials<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72aca470 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"72aca470\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/oil-drilling-additives-solutions\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Oil Drilling<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13c078ab elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"13c078ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-hand-point-right\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M428.8 137.6h-86.177a115.52 115.52 0 0 0 2.176-22.4c0-47.914-35.072-83.2-92-83.2-45.314 0-57.002 48.537-75.707 78.784-7.735 12.413-16.994 23.317-25.851 33.253l-.131.146-.129.148C135.662 161.807 127.764 168 120.8 168h-2.679c-5.747-4.952-13.536-8-22.12-8H32c-17.673 0-32 12.894-32 28.8v230.4C0 435.106 14.327 448 32 448h64c8.584 0 16.373-3.048 22.12-8h2.679c28.688 0 67.137 40 127.2 40h21.299c62.542 0 98.8-38.658 99.94-91.145 12.482-17.813 18.491-40.785 15.985-62.791A93.148 93.148 0 0 0 393.152 304H428.8c45.435 0 83.2-37.584 83.2-83.2 0-45.099-38.101-83.2-83.2-83.2zm0 118.4h-91.026c12.837 14.669 14.415 42.825-4.95 61.05 11.227 19.646 1.687 45.624-12.925 53.625 6.524 39.128-10.076 61.325-50.6 61.325H248c-45.491 0-77.21-35.913-120-39.676V215.571c25.239-2.964 42.966-21.222 59.075-39.596 11.275-12.65 21.725-25.3 30.799-39.875C232.355 112.712 244.006 80 252.8 80c23.375 0 44 8.8 44 35.2 0 35.2-26.4 53.075-26.4 70.4h158.4c18.425 0 35.2 16.5 35.2 35.2 0 18.975-16.225 35.2-35.2 35.2zM88 384c0 13.255-10.745 24-24 24s-24-10.745-24-24 10.745-24 24-24 24 10.745 24 24z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Contact Us<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33408475 elementor-widget elementor-widget-text-editor\" data-id=\"33408475\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Please contact me for the latest quote or to request a sample test (our samples are free and include shipping).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a10e93 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"3a10e93\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"11458\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"3a10e93\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Why PAN Fiber Is Essential for Fire-Resistant Concrete Panels: Heat Resistance \u2265200\u00b0C - Michem Chemical\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"11458\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-Phone elementor-col-100 elementor-field-required\">\n\t\t\t\t\t<span class=\"ccfef-editor-intl-input\" data-id=\"form-field-Phone\" data-field-id=\"c8411e0\" data-default-country=\"us\" data-include-countries=\"\" data-exclude-countries=\"\" data-dial-code-visibility=\"show\" data-strict-mode=\"no\" style=\"display: none;\"><\/span>\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[Phone]\" id=\"form-field-Phone\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" required=\"required\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Apenas n\u00fameros e caracteres de telefone (#, -, *, etc.) s\u00e3o aceitos.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-Company elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[Company]\" id=\"form-field-Company\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-double-right\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34zm192-34l-136-136c-9.4-9.4-24.6-9.4-33.9 0l-22.6 22.6c-9.4 9.4-9.4 24.6 0 33.9l96.4 96.4-96.4 96.4c-9.4 9.4-9.4 24.6 0 33.9l22.6 22.6c9.4 9.4 24.6 9.4 33.9 0l136-136c9.4-9.2 9.4-24.4 0-33.8z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send Inquiry Now<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a7ff4d6 e-flex e-con-boxed e-con e-parent\" data-id=\"7a7ff4d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introduction PAN (Polyacrylonitrile) fiber is essential for fire-resistant concrete panels because it maintains structural integrity at temperatures \u2265200\u00b0C \u2014 far exceeding PP fiber&#8217;s melting point of 160\u00b0C. In fire-rated panels, PAN fiber continues to bridge micro-cracks and restrain explosive spalling even under sustained thermal exposure, preventing catastrophic panel failure. Table of Contents PAN (Polyacrylonitrile) fiber [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11464,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_angie_page":false,"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","page_builder":"","footnotes":""},"categories":[1],"tags":[227,210,145],"class_list":["post-11458","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-fire-resistant-concrete-panels","tag-pan-fiber","tag-pp-fiber"],"_links":{"self":[{"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/posts\/11458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/comments?post=11458"}],"version-history":[{"count":3,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/posts\/11458\/revisions"}],"predecessor-version":[{"id":11470,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/posts\/11458\/revisions\/11470"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/media\/11464"}],"wp:attachment":[{"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/media?parent=11458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/categories?post=11458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michemicals.com\/ro\/wp-json\/wp\/v2\/tags?post=11458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}