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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Polysulfide Rubber
Mixed Viscosity11,000 cps6,000 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)
Pot Life5 minutes50 minutes
Cure Time45 minutes16 hours
ColorTranslucent GreenBlack
Tensile Strength490 psi157 psi
Elongation @ Break450 %700 %
100% Modulus49 psi29 psi
Disclaimer
Although we do our best to ensure the accuracy of this Compare Tool, Smooth-On offers no warranty either expressed or implied as to the reliability of the information contained herein. Smooth-On assumes no liability for loss or damage associated with use of the Compare Tool. If this is a critical project, we encourage you to review all of the technical data below and contact our Technical Service department with any questions or concerns.

All Technical Data

EZ-Spray® Silicone 22FMC™ 200
Product Type
  • Silicone Rubber - Platinum Cure
  • Polysulfide Rubber
Mixed Viscosity11,000 cps6,000 cps
Mix Ratio By Volume1A:1B
Mix Ratio By Weight100A:12B
Pot Life5 minutes50 minutes
Cure Time45 minutes16 hours
Shore A Hardness2220
Specific Gravity1.08 g/cc1.35 g/cc
Specific Volume25.6 cu. in./lb.20.5 cu. in./lb.
ColorTranslucent GreenBlack
Die B Tear Strength102 pli
Tensile Strength490 psi157 psi
Elongation @ Break450 %700 %
100% Modulus49 psi29 psi
Shrinkage<.001 in. / in.negligible in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °F

Product Description

EZ-Spray® Silicone 22

EZ~Spray® Silicone 22 are sprayable silicones which cure quickly to soft rubbers with high elongation and tear strength. Liquid silicone is sprayed through the EZ~Spray® Junior Cartridge System which is an economical alternative to expensive spray equipment. After a suitable thickness is attained, EZ~Spray® Silicone 22 cures in about 45 minutes. EZ~Spray® Silicone cures with negligible shrinkage to strong, durable silicone rubbers good for production casting of polyester, epoxy or urethane resins, gypsum, concrete and other materials.

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FMC™ 200

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.

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Silicone Rubber - Tin Cure ›

Silicone Rubber - Platinum Cure ›

Urethane Rubber ›

Polysulfide Rubber ›

Urethane Resins ›

Epoxy Casting and Laminating Resins ›

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Epoxy and Urethane Coatings ›

Mix and Pour Expanding Foams ›

Adhesives ›

Lifecasting Materials ›

Skin Safe FX Materials ›

Polymer Modifiers for Concrete and Gypsum ›