Wacker ELASTOSIL® R 865/40 HCR Silicone

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Wacker ELASTOSIL® R 865/40 HCR Silicone
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	ELASTOSIL® R 865/40 offers numerous functional advantages. The material ensures superior rebound resiliency and a minimal compression set. The compounds are easily pigmentable with ELASTOSIL® PT Pigment Pastes and have good processing characteristics. The various grades (ELASTOSIL® R 865/40 - ELASTOSIL® R 865/70) can be blended in any proportion to achieve intermediate hardnesses. Application: ELASTOSIL® R 865/40 is especially designed for peroxide curing applications as calendaring molding Information provided by Wacker.
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Physical Properties	Original Value	Comments

Specific Gravity	1.10 g/cc	DIN 51757

Mechanical Properties	Original Value	Comments
Hardness, Shore A	42	DIN 53505
Tensile Strength	1090 psi	DIN 53404 S1
Elongation at Break	420 %	DIN 53404 S1
Rebound	71 %	DIN 53512
Tear Strength	86.0 pli	ASTM D624 B
Compression Set	10 % @Temperature 175 °C, Time 79200 sec	DIN ISO 815-B

Processing Properties	Original Value	Comments
Cure Time	15.0 min @Temperature 165 °C	0.5% ELASTOSIL® AUX Crosslinker C6; Post-Cured 4h/200 ºC

Descriptive Properties
Appearance	Translucent

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PWACK9916 / 197515

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