Wacker Elastosil® R 770/50 Silicone Rubber

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Wacker Elastosil® R 770/50 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	ELASTOSIL® R 770/50 is a peroxide crosslinking HCR silicone for the manufacture of flame retardant profiles. Properties: The color of the rubber base is white. Therefore, colors will not match the RAL color codes of the masterbatches used in paste or pellet form in the compound (pastel colors). Special features: flame retardant tested according to BS 6853 category 1 tested according to London Underground standards high temperature index low toxicity combustion products generating low quantity of smoke good mechanical properties Application: Profiles for construction, automotive, railway, marine and aerospace applications. Designed for applications according to BS6853 category 1 and London Underground standards. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.16 g/cc	0.0419 lb/in³	ISO 1183-1 A

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	46	46	DIN 53505
Tensile Strength at Break	9.40 MPa	1360 psi	DIN 53504 S1
Elongation at Break	690 %	690 %	DIN 53504 S1
Tear Strength	40.0 kN/m	228 pli	ASTM D624 B

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	DIN IEC 93

Component Elements Properties	Metric	English	Comments
Loss on Ignition(%)	31 %	31 %	ASTM D2863

Descriptive Properties
Appearance	white

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PWACK9240 / 204769

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