Wacker Elastosil® R plus 4000/60 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 4000/60 batch Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	ELASTOSIL® R Plus 4000/60 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 4000/60 comply with BfR and FDA food contact regulations. The material also passes USP XXIII Class VI and ISO 10993 certification is available. No peroxide decomposition products are formed during vulcanization. In order to obtain an intermediate hardness, the different durometer grades may be blended with the PT 2 catalyst added last. Application: ELASTOSIL® R Plus 4000/60 materials are intended for fabrication of molded 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	1.15 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	60	ASTM D2240
Tensile Strength at Break	9.50 MPa	ASTM D412
Elongation at Break	750 %	ASTM D412
Tear Strength	48.0 kN/m	ASTM D624
Compression Set	25 % @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	7200 min	WSTM 2299

Compliance Properties	Original Value	Comments
USP Class VI	Yes

Descriptive Properties
Appearance	transparent

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Wacker Elastosil® R plus 4000/60 Silicone Rubber

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