Wacker Elastosil® R plus 4305/60 batch Silicone Rubber

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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.

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Wacker Elastosil® R plus 4305/60 batch Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	ELASTOSIL® R plus 4305/60 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 4305/60 comply with BfR and FDA food contact regulations. The material also passes USP XXIII Class VI. Application: ELASTOSIL® R plus 4305/60 is intended for fabrication of extruded articles that afford high transparency and very good tear resistance values. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	1.13 - 1.17 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	60	ASTM D2240
Tensile Strength at Break	11.0 MPa	ASTM D412
Elongation at Break	800 %	ASTM D412
Tear Strength	42.0 kN/m	ASTM D624
Compression Set	20 % @Temperature 175 °C, Time 79200 sec	WSTM 1114

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	"Transparent" but manufacturer does not quantify.

Processing Properties	Original Value	Comments
Cure Time	15.0 min @Treatment Temp. 165 °C	post cured 4h/200°C
Pot Life	1440 min	WSTM 2299

Compliance Properties	Original Value	Comments
USP Class VI	Yes

Descriptive Properties
Appearance	transparent

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PWACK9287 / 204816

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