ExxonMobil Santoprene® 111-87 Thermoplastic Elastomer

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ExxonMobil Santoprene® 111-87 Thermoplastic Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A hard, black, versatile thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material combines good physical properties and chemical resistance for use in a wide range of injection molding applications. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding. It is polyolefin based and completely recyclable. Recommended for applications requiring excellent flex fatigue resistance. Excellent ozone resistance. Designed for applications requiring high-flow materials. Recommended for applications requiring superior part surface appearance. Information provided by Advanced Elastomer Systems
Key Words:	EU 2003/11/EC; RoHS Compliant; UL QMFZ2; UL QMFZ8
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Specific Gravity	0.960 g/cc	0.960 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	87	87	.12 in; ASTM D2240
Tensile Strength at Break	8.736 MPa	1267 psi	257°F, 70 hr, in IRM 903 Oil; ASTM D471
	10.608 MPa	1538.5 psi	Air at 302°F, 168 hr; ASTM D573
	12.5 MPa	1810 psi	Across Flow; ASTM D412
Tensile Strength, Ultimate	6.48 MPa	940 psi	Across Flow; ASTM D412
Elongation at Break	290.7 %	290.7 %	257°F, 70 hr, in IRM 903 Oil; ASTM D471
	387.6 %	387.6 %	Air at 302°F, 168 hr; ASTM D573
	510 %	510 %	Across Flow; ASTM D412
Compression Set	32 % @Temperature 70.0 °C, Time 79200 sec	32 % @Temperature 158 °F, Time 22.0 hour	ASTM D395
	63 % @Temperature 125 °C, Time 252000 sec	63 % @Temperature 257 °F, Time 70.0 hour	ASTM D395

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.6	2.6	ASTM D150
Dielectric Strength	31.5 kV/mm	800 kV/in	ASTM D149

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	135 °C	275 °F
Brittleness Temperature	-60.0 °C	-76.0 °F	ASTM D746

Processing Properties	Metric	English	Comments
Processing Temperature	175 - 230 °C	347 - 446 °F
Rear Barrel Temperature	177 - 193 °C	350 - 380 °F
Middle Barrel Temperature	179 - 199 °C	355 - 390 °F
Front Barrel Temperature	179 - 204 °C	355 - 400 °F
Nozzle Temperature	191 - 229 °C	375 - 445 °F
Melt Temperature	193 - 241 °C	380 - 465 °F	Processing
Mold Temperature	10.0 - 51.7 °C	50.0 - 125 °F	Processing
Drying Temperature	82.2 °C	180 °F
Dry Time	3 hour	3 hour
Moisture Content	0.080 %	0.080 %
Back Pressure	0.345 - 0.689 MPa	50.0 - 100 psi	Processing
Clamp Pressure	41.4 - 68.9 MPa	6000 - 10000 psi
Vent Depth	0.00254 cm	0.00100 in
Cushion	0.317 - 0.635 cm	0.125 - 0.250 in
Screw Speed	100 - 200 rpm	100 - 200 rpm

Descriptive Properties
Change in Mass in IRM 903 Oil at 257°F for 70 hr	84
Color	Black
Form	Pellets
Injection Rate	Fast
Maximum Regrind %	20
Screw Compression Ratio	2:1 - 2.5:1
Screw L/D Ratio	16:1 - 20:1

**
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