ExxonMobil Santoprene® 8291-70PA Thermoplastic Elastomer

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ExxonMobil Santoprene® 8291-70PA Thermoplastic Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A soft, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It is especially formulated to bond to PA-6 and blends thereof for applications where hard/soft combinations are required. 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; UL QMFZ2; UL QMFZ8
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Physical Properties	Metric	English	Comments

Specific Gravity	0.930 g/cc	0.930 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70 @Thickness 2.00 mm	70 @Thickness 0.0787 in	ISO 868
Tensile Strength at Break	3.72 MPa	540 psi	Across Flow; ASTM D412
Tensile Strength, Ultimate	2.55 MPa	370 psi	Across Flow; ASTM D412
Elongation at Break	380 %	380 %	Across Flow; ASTM D412
Tear Strength	17.7 kN/m	101 pli	73°F, Die C; ASTM D624
Compression Set	39 %	39 %	ASTM D395; ASTM D395
	79 % @Temperature 125 °C, Time 252000 sec	79 % @Temperature 257 °F, Time 70.0 hour	ASTM D395

Processing Properties	Metric	English	Comments
Processing Temperature	175 - 230 °C	347 - 446 °F

Descriptive Properties
Color	Natural Color
Form	Pellets

**
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