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SORTA-Clear™ 37

SORTA-Clear™ 37 vs. EZ-Spray® Silicone 22EZ-Spray® Silicone 22

Addition Cure Silicone Rubber Compounds

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Key Differences

Mixed Viscosity11,000 cps35,000 cps
Pot Life5 minutes25 minutes
Cure Time45 minutes4 hours
Shore A Hardness2237
ColorTranslucent GreenWater White Translucent
100% Modulus49 psi90 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 22SORTA-Clear™ 37
Product Type
  • Silicone Rubber - Platinum Cure
  • Silicone Rubber - Platinum Cure
Mixed Viscosity11,000 cps35,000 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B
Pot Life5 minutes25 minutes
Cure Time45 minutes4 hours
Shore A Hardness2237
Specific Gravity1.08 g/cc1.08 g/cc
Specific Volume25.6 cu. in./lb.25.6 cu. in./lb.
ColorTranslucent GreenWater White Translucent
Die B Tear Strength102 pli105 pli
Tensile Strength490 psi600 psi
Elongation @ Break450 %400 %
100% Modulus49 psi90 psi
Shrinkage<.001 in. / in.<.001 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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SORTA-Clear™ 37

SORTA-Clear™ Series rubbers are premium water white translucent silicone rubbers (platinum catalyst) which cure at room temperature with negligible shrinkage. Sorta Clear 37 has Shore 37A hardness and features high tensile and tear strength. This product also offers the convenience of a 1A:1B by volume mix ratio.

SORTA-Clear™ silicones are ideal for making prototype, jewelry or other molds of any configuration where model visibility is important (i.e. extracting a model from the mold via cutting). Materials such as urethane, epoxy or polyester resins can then be cast into SORTA-Clear™ silicone without application of a release agent. Other materials such as wax and low melt metal alloys can also be cast into SORTA-Clear™. SORTA-Clear™ can be pigmented with SILC Pig™ silicone pigments.

SORTA Clear™ 37 silicone rubber is FOOD SAFE and can be used for culinary applications including casting chocolate and other confections.

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