Wacker ELASTOSIL® R 407/50 Silicone Rubber Base

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Wacker ELASTOSIL® R 407/50 Silicone Rubber Base
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	ELASTOSIL® R 407/50 Silicone Rubber Bases are noted for their high transparency and good mechanical properties. Intermediate hardnesses can be achieved by blending these bases in the required proportion. Due to the high green strength of these products, they can be used to make complex extruded profiles. Their vulcanizing characteristics make it possible to achieve short cycle times in the production of rubber moldings by compression, transfer and injection molding. Post cured vulcanizates can be used for applications in the health care and food handling industries. Special features: Excellent tensile strength Excellent clarity Exceptional extrusion qualities Excellent molding qualities Information provided by Wacker.
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Physical Properties	Original Value	Comments

Specific Gravity	1.12 - 1.22 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	50	ASTM D746
Tensile Strength	1450 psi	ASTM D2240
Elongation at Break	450 %	ASTM D412
Tear Strength	120 pli	ASTM D412
Compression Set	35 % @Temperature 177 °C, Time 79200 sec	WSTM 1114

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	Transparent, but not quantified

Processing Properties	Original Value	Comments
Cure Time	10.0 min @Temperature 116 °C	press cured, post cured 4 h/200 °C

Descriptive Properties
Appearance	Transparent	WSTM 1297

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PWACK9905 / 197504

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