Curasta™ Gypsum retarder is a high-performance and environmentally friendly protein-based retarder. Curasta™ Gypsum retarder can help adjust the setting time to meet the specific product and job needs and allow for proper application and finishing.
Advantages
Gypsum Plaster Retarders extend the set time of conventional plasters, veneer plasters, lime finish plasters and setting-type joint compounds. By slowing the chemical crystal formation that causes gypsum plaster to set or harden, Gypsum Plaster Retarders allow more time to complete each job. Gypsum Plaster Retarders easily disperse into water prior to adding plaster and are available in the following formulations:
Standard Strength Retarderis recommended for slight to moderate (30 to 45 minutes) lengthening of set times for veneer and conventional plasters and setting-type joint compounds