Wacker Elastosil® R plus 4370/50 Silicone Rubber

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Wacker Elastosil® R plus 4370/50 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	ELASTOSIL® R plus 4370/50 is a self-adhesive addition-curing compound for the manufacture of extruded, coated or molded articles. Properties: ELASTOSIL® R plus 4370/50 adheres to steel, aluminum, thermoplastics (e.g. PBT) with good heat deflection temperature, to synthetic fibers (such as polyester), as well as to other silicones without any primering or special surface treatments. Application: ELASTOSIL® R plus 4370/50 is intended for the manufacture of 2-composite combinations via pressure free extrusion or co-extrusion. ELASTOSIL® R plus 4370/50 can generally be used for technical applications without post-curing. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.14 g/cc	0.0412 lb/in³	DIN 53479

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	48	48	DIN 53505
Tensile Strength at Break	9.90 MPa	1440 psi	DIN 53504 S1
Elongation at Break	900 %	900 %	DIN 53504 S1
Rebound	55 %	55 %	DIN 53512
Tear Strength	42.0 kN/m	240 pli	ASTM D624 B

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Treatment Temp. 165 °C	0.250 hour @Treatment Temp. 329 °F

Descriptive Properties
Appearance	translucent

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PWACK9298 / 204827

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