FMC® Series Polysulfide Rubber | Silicone Rubber, Urethane Rubber, Liquid Plastic, Casting Resin, Lifecasting, Epoxy Resin, Rigid and Flexible Foam from Smooth-On

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FMC® Series Polysulfide Rubber

FMC® 200 Polysulfide Rubber

FMC® 200 is a polysulfide rubber mold compound with high tear strength that cures overnight with negligible shrinkage. Molds made of FMC® 200 are very durable and will perform in production. The mix ratio is 100 parts of Part A to 12 parts of Part B by weight. FMC® 200 cures to a Shore hardness of 20 A.

FMC® 200 is ideal for those applications that require capturing intricate detail from a variety of model surfaces. Unlike polyurethanes, FMC® 200 is not sensitive to moisture and can be poured directly over wet plaster or water/sulfur based clays. Common applications include molds for foundry and pattern work, sculpture (lost wax process), casting various gypsum products and waxes.

20 Shore A Hardness
100A:12B Mix Ratio
50 Minute Pot Life

FMC® 201 Polysulfide Rubber

FMC® 201 is part of the Smooth-On family of polysulfide rubber mold compounds. FMC® 201 cures overnight (faster or slower cure possible with different curatives) with negligible shrinkage to a soft Shore A15 rubber that stretches and exhibits good tear resistance. Molds made of FMC® 201 are very durable and will perform in production.

FMC® 201 is ideal for those applications that require capturing intricate detail from a variety of model surfaces. Unlike polyurethanes, FMC® 201 is not sensitive to moisture and can be poured directly over wet plaster or water/sulfur based clays. Common applications include molds for foundry and pattern work, sculpture (lost wax process), casting various gypsum products and waxes.

15 Shore A Hardness
100A:12B Mix Ratio
50 Minute Pot Life

FMC® 205 Polysulfide Rubber

FMC® 205 is a polysulfide rubber mold compound that cures overnight with negligible shrinkage to a lasting durable rubber that will perform in production. The mix ratio is 100 parts of Part A to 12 parts of Part B by weight. FMC® 205 cures to a Shore hardness of 12 A.

FMC® 205 is ideal for those applications that require capturing intricate detail from a variety of model surfaces. Unlike polyurethanes, FMC® 205 is not sensitive to moisture and can be poured directly over wet plaster or water/sulfur based clays. Common applications include molds of sculpture (lost wax process), casting various gypsum products and waxes.

12 Shore A Hardness
100A:12B Mix Ratio
90 Minute Pot Life

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