Advanced Elastomer Systems Santoprene® 8281-55 Thermoplastic 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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Advanced Elastomer Systems Santoprene® 8281-55 Thermoplastic Rubber (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes:	Description: A colorable thermoplastic medical grade elastomer. It has USP Class VI Certificate of Compliance for biocompatibility and can be processed using injection molding, extrusion, or other melt processing techniques. Supplied as free-flowing pellets in 25 kilogram (55 pound) moisture barrier bags. Features: Non-hygroscopic product, requires little to no drying before processing Neutral, easy coloring formulation USP Class VI Certificate of Compliance Drug Master File established with FDA Product Notes: Values are for injection molded plaques, side gated. 82.6 mm x 117.5 mm x 3 mm Information provided by Advanced Elastomer Systems. Advanced Elastomer Systems is now a part of ExxonMobil. This grade was removed from the Advanced Elastomers Systems standard product line before the ExxonMobil acquisiton.
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Physical Properties	Original Value	Comments

Density	0.920 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore A	55	5 seconds; ASTM D2240
	60	5 seconds, After oven air aging 168 hours @ 150°C; ASTM D2240
Tensile Strength at Break	431.1 psi	After oven air again 168 hrs. @ 150°C; ASTM D412
	479 psi	Across flow; ASTM D412
Tensile Strength, Yield	218 psi	At 100% elongation, across flow; ASTM D412
Elongation at Break	382.5 %	After oven air aging 168 hrs. @ 150°C; ASTM D412
	450 %	Across flow; ASTM D412
Tear Strength	120 pli	73°F; ASTM D624
Compression Set	21 % @Temperature 22.8 °C, Time 612000 sec	Method B; ASTM D395
Tensile Set	8.0 %	ASTM D412

Thermal Properties	Original Value	Comments
Brittleness Temperature	-76.0 °F	ASTM D746

Processing Properties	Original Value	Comments
Processing Temperature	177 - 232 °C
Drying Temperature	82.0 °C	Desiccant Dryer
Dry Time	3 hour	Desiccant Dryer

Compliance Properties	Original Value	Comments
USP Class VI	Yes

**
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PADW165 / 22883

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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