ExxonMobil Santoprene® 281-55MED Thermoplastic Elastomer

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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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ExxonMobil Santoprene® 281-55MED Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A soft, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. USP Class VI Certificates of Compliance exist for representative samples of our medical grades. Prior to release, each medical grade lot undergoes a Cytotoxicity study using the ISO elution method and a Physico-Chemical - Elastomeric Closures test for heavy metals such as lead. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding or extrusion. It is polyolefin based and completely recyclable. Information provided by Advanced Elastomer Systems
Key Words:	EU 2003/11/EC; RoHS Compliant; USP Class VI
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Physical Properties	Original Value	Comments

Specific Gravity	0.960 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore A	56	.12 in; ASTM D2240
Tensile Strength at Break	710 psi	Across Flow; ASTM D412
	788.1 psi	Air at 212°F, 168 hr; ASTM D573
Tensile Strength, Ultimate	290 psi	Across Flow; ASTM D412
Elongation at Break	410 %	Across Flow; ASTM D412
	446.9 %	Air at 212°F, 168 hr; ASTM D573
Tear Strength	34.0 pli	212°F, Die C; ASTM D624
	91.0 pli	73°F, Die C; ASTM D624
Compression Set	20 % @Temperature 22.8 °C, Time 605000 sec	ASTM D395
	48 % @Temperature 100 °C, Time 605000 sec	ASTM D395

Processing Properties	Original Value	Comments
Processing Temperature	175 - 230 °C

Compliance Properties	Original Value	Comments
USP Class VI	Yes

Descriptive Properties
Color	Natural Color
Form	Pellets

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PADVA136 / 22826

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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