Wacker ELASTOSIL® R plus 4105/50 Platinum Catalyzed Solid Silicone Rubber-Batch Grade for Extrusion

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USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

Wacker ELASTOSIL® R plus 4105/50 Platinum Catalyzed Solid Silicone Rubber-Batch Grade for Extrusion
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	ELASTOSIL® R plus 4105/50 HCR silicone rubbers are addition-curing, two part compounds (batch grades). The vulcanizates show excellent transparency and good to very good mechanical properties. Properly postcured vulcanizates of ELASTOSIL® R plus 4105/50 comply with BfR and FDA food contact regulations. The material also passes USP XXIII Class VI and ISO 10993 certification is available. Application: ELASTOSIL® R plus 4105/50 is intended for fabrication of extruded articles that afford high transparency and very good tear resistance values. Information provided by Wacker.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.17 - 1.21 g/cc	1.17 - 1.21 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	50	50	ASTM D2240
Tensile Strength	10.98 MPa	1593 psi	ASTM D412
Elongation at Break	900 %	900 %	ASTM D412
Tear Strength	34.9 kN/m	199 pli	Die B; ASTM D412
Compression Set	19 % @Temperature 175 °C, Time 79200 sec	19 % @Temperature 347 °F, Time 22.0 hour	WSTM 1114

Optical Properties	Metric	English	Comments
Transmission, Visible	90 %	90 %	Transparent, but not quantified

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 165 °C	0.250 hour @Temperature 329 °F	press cured, post cured 4 h/200 °C
Pot Life	240 min	240 min

Compliance Properties	Metric	English	Comments
USP Class VI	Yes	Yes

Descriptive Properties
Appearance	Transparent

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PWACK9920 / 197519

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