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Rebound™ 40

Rebound™ 40 vs. EZ-Spray® Silicone 22EZ-Spray® Silicone 22

Self Thickening Brush-On Silicone

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Key Differences

Mixed Viscosity11,000 cpsBrushable
Pot Life5 minutes20 minutes
Cure Time45 minutes6 hours
Shore A Hardness2240
ColorTranslucent GreenGreen
Elongation @ Break450 %324 %
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 22Rebound™ 40
Product Type
  • Silicone Rubber - Platinum Cure
  • Silicone Rubber - Platinum Cure
Mixed Viscosity11,000 cpsBrushable
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B
Pot Life5 minutes20 minutes
Cure Time45 minutes6 hours
Shore A Hardness2240
Specific Gravity1.08 g/cc1.14 g/cc
Specific Volume25.6 cu. in./lb.23.5 cu. in./lb.
ColorTranslucent GreenGreen
Die B Tear Strength102 pli106 pli
Tensile Strength490 psi486 psi
Elongation @ Break450 %324 %
100% Modulus49 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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Rebound™ 40

Rebound™ 40 is an easy-to-use platinum-cure silicone rubber which self-thickens for making brush-on molds of almost any model. Mixed 1A:1B by volume (no scale necessary), Rebound™ rubber can be applied with a brush or spatula to vertical surfaces without sagging and will cure with negligible shrinkage to a flexible rubber.

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