Polyester Fiber for Concrete Reinforcement | High-Modulus, Alkali-Resistant for Global Construction

China's leading manufacturer of polyester fiber, offering comprehensive fiber solutions.

michem-Polyester-Fiber-for-concrete

Leading Polyester Fiber Supplier From China

Michem Chemical Fibers Co., Ltd. is a leading manufacturer and exporter of high-performance polyester fiber with 12 years of expertise serving 50+ countries, including the USA, UAE, Australia, and South Africa. We’ve supplied polyester fiber to iconic projects like the Dubai Metro Extension, Australian Desalination Plant, and South African Highway Upgrade, where durability and cost-efficiency are critical.

Our polyester fiber is engineered in partnership with theZhejiang University Civil Engineering Departmentand meets strict global standards (ASTM C1116, EN 14889-2, ISO 9001). In this guide, we’ll break down how our polyester fiber solves concrete cracking and fatigue challenges, backed by third-party test data and real-world client results.

What is Polyester Fiber for Concrete?

Polyester fiber is a synthetic reinforcement material made from high-tenacity polyethylene terephthalate (PET). Its unique combination of high modulus, alkali resistance, and low moisture absorption makes it ideal for concrete structures that require long-term durability, impact resistance, and resistance to harsh environmental conditions.

According to theInternational Federation for Structural Concrete (FIB), polyester fiber reduces concrete fatigue damage by 40% compared to standard polypropylene fiber, making it a cost-effective alternative to steel fiber for many applications.

Product Specifications & Technical Parameters

We offer two high-performance polyester fibers, each designed to meet the specific needs of different concrete applications.

High Tensile Strength Polyester Fiber

ItemParameters
CompositionOrganic dibasic acid and diol
Diameter12, 15, 18 μm
Length3–25 mm (Customized)
Melting Point255–265 ℃
Tensile Strength≥ 1100 MPa
Elastic Modulus≥ 9000Mpa
Elongation15–20%
AppearanceBright white

Normal Tensile Strength Polyester Fiber

ItemParameters
CompositionOrganic dibasic acid and diol
Diameter12, 15, 18 μm
Length3–25 mm (Customized)
Melting Point255–265 ℃
Tensile Strength≥ 500 MPa
Elastic Modulus≥ 3500Mpa
Elongation10–15%
AppearanceMilky white

 

Why Choose Michem’s Polyester Fiber

By choosing the right fiber, you can optimize crack resistance, toughness, and durability across a wide range of concrete projects.

Third-Party Validated Performance

Our polyester fiber undergoes rigorous testing at independent labs worldwide. Key results:

testing-lab

Global Certification Compliance

All our polyester fiber products are certified to meet international construction codes:

Customized Solutions for Export Clients

We understand global projects have unique needs. Our team offers:

Key Applications Across Global Industries

With outstanding performance and cost-effectiveness, PAN Fiber is widely recognized as a reliable solution for concrete reinforcement and mortar crack control in construction industries worldwide.

Shotcrete & Tunnel Construction

Polyester fiber’s high impact resistance makes it ideal for shotcrete in tunnels and underground mines. We supplied fiber to the Dubai Metro Extension, where it reduced shotcrete cracking by 45% and eliminated the need for secondary steel reinforcement in some sections, cutting costs by 22%.
Precast-Concrete-Components

Precast Concrete Components

Perfect for precast walls, beams, and panels, our polyester fiber prevents shrinkage cracking during curing and transportation. A South African precast manufacturer reported a 30% drop in rejected panels after switching to our fiber.

Industrial Flooring & Warehouse Slabs

Used in heavy-duty industrial floors and warehouse slabs, our polyester fiber enhances wear resistance and reduces post-installation cracking. A UAE logistics hub saw a 28% reduction in floor repairs after using our high-strength polyester fiber.

Marine & Coastal Construction

Polyester fiber’s low moisture absorption and alkali resistance make it ideal for marine docks, seawalls, and coastal bridges. We supplied fiber to the Australian Gold Coast Desalination Plant, where it withstood constant saltwater exposure for 5+ years with zero fiber degradation.
michem-Polyester-Fiber-package

Free Samples Service

Comprehensive TDS & Brochure – Get in-depth technical details about our polyester fiber.

Free Sample (200g or 400g per bag) – Test our high-quality fiber in your formulations.

Fast & Reliable Delivery – Shipped via FedEx or DHL straight to your door.

Expert Support – Assistance with formula adjustments and technical guidance.

Specifications / Compliances

✅ ASTM C1116-03

✅ ASTM D7508

✅ EN 14889-2

Packaging Specification

1. Standard plastic woven bags

Standard plastic bags (12 mm or thicker): LCL container capacity: 10 tons; High-cube container: 24 tons .
Standard plastic bags (thinner than 9 mm): LCL container capacity: 9 tons; High-cube container: 22.4 tons (560 kg/pallet, 40 pallets total).

2.PVA Water-Soluble Film Bags and Standard Water-Soluble Paper Bags

1) (12mm and above): 36 kg/carton; Small container loading capacity: 7.2 tons ;
2) (12mm and above): 36 kg/box; High-cube container: 17.28 tons .
3) (Specifications below 9mm): 33 kg/box, LCL container capacity: 6.6 tons;
4) (Specifications below 9mm): 33 kg/box, HQL container capacity: 15.84 tons.
tenabrix-fiber-package

Product Specifications & Technical Parameters

Product Type

Material

Tensile Strength (MPa)

Alkali Resistance (%)

Elongation at Break (%)

High-Strength Polyester Fiber

Virgin PET

≥900

≥97

≤15

Alkali-Resistant Polyester Fiber

Coated Virgin PET

≥850

≥98

≤14

Short-Cut Polyester Fiber

Virgin PET

≥800

≥96

≤16

 

Global Customer Success Stories

General FAQs

Frequently Asked Questions Questions

Polyester fiber is non-corrosive, lightweight, and easier to mix into concrete, eliminating the risk of rust staining and reducing handling costs. While steel fiber offers higher ultimate strength, polyester fiber is a cost-effective alternative for applications where impact resistance and long-term durability are key.

Yes. Our coated polyester fiber offers ≥98% alkali resistance, making it suitable for concrete structures exposed to harsh chemical environments (e.g., marine projects, sewage treatment plants). It meets ASTM C1116-20 standards for alkali resistance.

Absolutely! We provide 500g free samples to qualified global clients, along with detailed technical data sheets and test reports.

Polyester fiber creates a 3D reinforcement network in concrete, which absorbs energy from impact and thermal stress, preventing crack propagation. It also reduces plastic shrinkage cracking during the curing process, improving overall structural integrity.

hpmc faq service

Let the next batch of macrofiber be the raw material you least need to worry about.

Technical Consultation

Submit your formulation system to receive customized polyester fiber selection recommendations.

Sample Request

Samples shipped within 48 hours, accompanied by batch stability comparison reports.

Production Capacity Lock-in

Annual framework agreements enjoy priority scheduling + tiered pricing.

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Contact Information

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