ExxonMobil Santoprene® 181-57W180 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® 181-57W180 Thermoplastic Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A soft, black, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It has USP Class VI Certificate of Compliance for biocompatibility, MEM elution cytotoxicity to L-929 mouse fibroblast cells, 72 hour exposure to rubber extracts and USP physiochemical test for elastomer closures, 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. Key Features: Based on a series of biocompatibility tests conducted on representative grades, this grade should meet the USP (U.S. Pharmacopeia) Class VI requirements for plastics. Additionally some ISO 10993 tests have been conducted. Each medical grade undergoes annual testing for cytotoxicity and heavy metals. Drug master file maintained with the FDA. EU and China RoHS compliant. Applications: Medical – Soft Touch Grips, USP Class VI Seals and Gaskets Uses: Medical/Healthcare Applications Availability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South America Information provided by ExxonMobil Chemical
Key Words:	EU 2003/11/EC; RoHS Compliant; USP Class VI
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Physical Properties	Original Value	Comments

Specific Gravity	0.940 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore A	61	2 mm, 15 sec; ISO 868
Tensile Strength at Break	677 psi	Across Flow; ASTM D412
Tensile Stress at Strain	290 psi @Strain 100 %	Across Flow; ASTM D412
Elongation at Break	330 %	Across Flow; ASTM D412

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

Compliance Properties	Original Value	Comments
USP Class VI	Yes

Descriptive Properties
Color	Black
Form	Pellets

**
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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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