Stellarchem GP-980 TPE Compound

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Stellarchem GP-980 TPE Compound
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Olefinic TPE
Material Notes:	This grade of Stellarchem TPE is shear dependent and can be processed on conventional thermoplastics equipment for injection molding or extrusion. It's a soft, elastomeric polyolefin based, completely recyclable, colorable & non-hygroscopic thermoplastics elastomer material. Information provided by Stellarchem Polymer & Industrial
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Physical Properties	Metric	English	Comments

Density	0.890 g/cc	0.0322 lb/in³
Particle Mesh Size	80 - 150 Mesh	80 - 150 Mesh
Melt Flow	37.8 g/10 min	37.8 g/10 min	JIS K7210

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	81	81	JIS K6301
Tensile Strength, Ultimate	4.71 MPa	683 psi	JIS K6301
Elongation at Break	389 %	389 %	JIS K6301
100% Modulus	24.5 MPa @Strain 100 %	3550 psi @Strain 100 %	JIS K6301
300% Modulus	1.37 MPa @Strain 300 %	199 psi @Strain 300 %	JIS K6301
Tear Strength	3.50 kN/m	20.0 pli	JIS K6301-B

Processing Properties	Metric	English	Comments
Processing Temperature	170 - 190 °C	338 - 374 °F	Metering Temperature, Extrusion
Rear Barrel Temperature	150 - 170 °C	302 - 338 °F	Injection Molding
	150 - 170 °C	302 - 338 °F	Extrusion
Middle Barrel Temperature	160 - 180 °C	320 - 356 °F	Injection Molding
	160 - 180 °C	320 - 356 °F	Transition, Extrusion
Front Barrel Temperature	170 - 190 °C	338 - 374 °F	Injection Molding
	180 - 200 °C	356 - 392 °F	Extrusion
Nozzle Temperature	180 - 200 °C	356 - 392 °F	Injection Molding
Die Temperature	180 - 200 °C	356 - 392 °F	Extrusion
Melt Temperature	150 - 200 °C	302 - 392 °F	Injection Molding
	150 - 200 °C	302 - 392 °F	Extrusion
Mold Temperature	25.0 - 40.0 °C	77.0 - 104 °F	Injection Molding
Injection Pressure	5.00 - 40.0 MPa	725 - 5800 psi	Injection Molding
Back Pressure	0.500 - 1.00 MPa	72.5 - 145 psi	Injection Molding
Screw Speed	60 - 100 rpm	60 - 100 rpm	Extrusion
	100 - 200 rpm	100 - 200 rpm	Injection Molding

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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