Elkem (Bluestar Silicones) SILBIONE® HCRA 4165 A/B HC 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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Elkem (Bluestar Silicones) SILBIONE® HCRA 4165 A/B HC Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: SILBIONE® HCRA 4165 A/B HC is a two-part, addition-cure, platinum catalyzed silicone elastomer designed for use in processes where high strength molded parts or extruded profiles are desired. It is formulated for rapid cure in transfer and compression molds and in short-dwell vulcanizing ovens for extrusion processes. SILBIONE ® HCRA 4165 A/B HC meets USP Class VI requirements and can be used in short term (under 30 days) implant materials. Applications: Molded or extruded medical parts for <30 day implantation Healthcare applications: stoppers, plungers, seals, needle entry ports, tubing Features: No volatile cure by-products Optional post cure Non-tacky surface Non-blooming No peroxide residue Information provided by Bluestar Silicones
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Physical Properties	Original Value	Comments

Specific Gravity	1.18 g/cc	TP 013
Storage Temperature	24.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65	ASTM D2240
Tensile Strength	1480 psi	ASTM D412
Elongation at Break	740 %	ASTM D412
Tear Strength	240 pli	ASTM D624, Die B
Tensile Set	3.0 %	ASTM D412

Processing Properties	Original Value	Comments
Cure Time	0.167 hour
	10.0 min @Temperature 120 °C	Post cure for 1 hr at 165°C
Pot Life	480 min	NM 128
Shelf Life	12.0 Month

Compliance Properties	Original Value	Comments
USP Class VI	Yes

Descriptive Properties
Appearance	Clear, translucent solid
Mix Ratio	1:1	A:B

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PBLUST083 / 191059

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