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Specialty Compounds RTP Company

Reynolds EZ~Spray® Silicone 20 Sprayable Silicone Rubbers
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: Product Overview: EZ~Spray® Silicone 20 and 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 20 cures in about 20 minutes while 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. EZ~Spray® Silicone 20 and 22 silicones are effective at making fast, cost effective vacuum bags for producing composite parts. Newly sprayed or injected bags can be removed from the mold in a matter of minutes and used immediately in production with polyester or epoxy resin systems. The advantage that EZ~Spray® Silicone offers vs. conventional vacuum bagging systems is the speed at which a production-ready silicone bags can be made resulting in significant time and labor savings. Read the EZ~Spray® Junior manual prior to spraying.

Information provided by Reynolds Advanced Materials

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.08 g/cc1.08 g/ccASTM D-1475
Viscosity 11000 cP11000 cPMixed; ASTM D-2393
Linear Mold Shrinkage <= 0.0010 cm/cm<= 0.0010 in/inASTM D-2566
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 2020ASTM D-2240
Tensile Strength 3.41 MPa495 psiASTM D-412
Elongation at Break 470 %470 %ASTM D-412
100% Modulus 0.324 MPa47.0 psiASTM D-412
Tear Strength 17.5 kN/m100 pliDie B; ASTM D-624
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength >= 13.8 kV/mm>= 350 kV/inASTM D-147-97a
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 260 °C500 °F
Minimum Service Temperature, Air -53.0 °C-63.4 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 20.0 min0.333 hour
Pot Life 3.00 min3.00 minASTM D-2471
 
Descriptive Properties
ColorTranslucent Green
Mix Ratio1A:1Bby volume
 1A:1Bby weight
Specific Volume25.6[cu. in./lb.]

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PREYN154 / 296855

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