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Specialty Compounds RTP Company

Reynolds Mold Star® 19T Platinum Silicone Rubbers
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes:

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 1919ASTM D-2240
Tensile Strength 2.90 MPa420 psiASTM D-412
Elongation at Break 470 %470 %ASTM D-412
Tear Strength 15.8 kN/m90.0 pliDie B; ASTM D-624
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 232 °C450 °F
Minimum Service Temperature, Air -53.0 °C-63.4 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 12.0 min0.200 hour
Pot Life 3.00 min3.00 minASTM D-2471
 
Descriptive Properties
ColorTranslucent
Mix Ratio1A:1Bby volume
 1A:1Bby weight
Specific Volume25.6[cu. in./lb.]

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PREYN114 / 296815

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