ExxonMobil Santoprene® 191-55PA Thermoplastic Elastomer

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ExxonMobil Santoprene® 191-55PA 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 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. Key Features: Designed for excellent adhesion onto nylon-6 (insert or 2K [two-shot] molding) and nylon 6,6 (2K molding only). Adhesion values can vary according to type of nylon used, tool design and processing conditions. UL listed: file #QMFZ2.E80017, Plastics - Component; file #QMFZ8.E80017, Plastics Certified For Canada - Component. EU and China RoHS compliant. Applications: Automotive – Interior, Plugs, Bumpers, Grommets, Clips, Seals, Gaskets, Electronics, Kitchen Tools, Power Tools and Consumer Applications Seals and Gaskets Soft Touch Grips Uses: Appliance Components Appliances Automotive Applications Automotive Under the Hood Bonding Cell Phones Consumer Applications Cookware Handles Eyeglass Frames Flexible Grips Kitchenware Living Hinges Seals Sporting Goods Strain Reliefs Tie-Layer White Goods & Small Appliances 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; UL QMFZ2; UL QMFZ8
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Physical Properties	Metric	English	Comments

Specific Gravity	0.950 g/cc	0.950 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	50	50	Air at 212°F, 168 hr; ASTM D573
	52	52	Air at 158°F, 168 hr; ASTM D573
	53	53	Air at 275°F, 168 hr; ASTM D573
	55 @Thickness 2.00 mm	55 @Thickness 0.0787 in	15 sec; ISO 868
Tensile Strength at Break	2.404 MPa	348.6 psi	Air at 275°F, 168 hr; ASTM D573
	2.75 MPa	399 psi	Air at 158°F, 168 hr; ASTM D573
	2.867 MPa	415.8 psi	Air at 212°F, 168 hr; ASTM D573
	2.90 MPa	420 psi	Across Flow; ASTM D412
Tensile Stress at Strain	1.60 MPa @Strain 100 %	232 psi @Strain 100 %	Across Flow; ASTM D412
Elongation at Break	234.9 %	234.9 %	Air at 158°F, 168 hr; ASTM D573
	261 %	261 %	Air at 212°F, 168 hr; ASTM D573
	272.6 %	272.6 %	Air at 275°F, 168 hr; ASTM D573
	290 %	290 %	Across Flow; ASTM D412
Tear Strength	14.0 kN/m	80.0 pli	73°F, Die C; ASTM D624
Compression Set	40 % @Temperature 70.0 °C, Time 79200 sec	40 % @Temperature 158 °F, Time 22.0 hour	ASTM D395
	58 % @Temperature 125 °C, Time 252000 sec	58 % @Temperature 257 °F, Time 70.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
UL RTI, Electrical	100 °C	212 °F	UL 746
UL RTI, Mechanical with Impact	85.0 °C	185 °F	UL 746
Flammability, UL94	HB @Thickness 1.10 mm	HB @Thickness 0.0433 in
	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in

Descriptive Properties
Color	Black
Form	Pellets

**
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