AlphaGary Evoprene™ G 971 SEBS Thermoplastic Elastomer

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AlphaGary Evoprene™ G 971 SEBS Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	Evoprene™ G compounds are styrene – ethylene butylene –styrene base thermoplastic elastomer with related hydrogenated block copolymers. These polymers are fully saturated so the resistance to oxidation, ozone and general outdoor weathering is excellent. Processing: compatible with polypropylene for co-molding or co-extrusion Can be used in food contact applications with the appropriate stabilizer package Alphagary is part of Orbia.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.17 g/cc	1.17 g/cc	ISO 2782
Viscosity Measurement	11 @Temperature 180 °C	11 @Temperature 356 °F	Kg/cm²; Macklow-Smith extrusion rheometer

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	83	83	ISO 868
Tensile Strength	10.5 MPa	1520 psi	ISO 37
Elongation at Break	485 %	485 %	ISO 37
100% Modulus	3.50 MPa @Strain 100 %	508 psi @Strain 100 %	ISO 37
Tear Strength	38.0 kN/m	217 pli	ISO 34-B
Compression Set	36 % @Temperature 22.0 °C, Time 259000 sec	36 % @Temperature 71.6 °F, Time 72.0 hour	ISO 815
	53 % @Temperature 70.0 °C, Time 79200 sec	53 % @Temperature 158 °F, Time 22.0 hour	ISO 815
	72 % @Temperature 100 °C, Time 79200 sec	72 % @Temperature 212 °F, Time 22.0 hour	ISO 815

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm
Dielectric Strength	24.0 - 28.0 kV/mm	610 - 711 kV/in

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	110 - 120 °C	230 - 248 °F
Minimum Service Temperature, Air	-60.0 - -40.0 °C	-76.0 - -40.0 °F

Descriptive Properties
Bonds with	Polypropylene
Chemical Resistance	Acetone		Moderate/Good
	Acids up to 80%		Excellent
	Alcohol		Excellent
	Alkalis		Excellent
	Brake fluid		Good
	Chlorinate solvents		Poor
	Diesel		Poor
	Ethylene glycol		Excellent
	Gasoline		Poor
	Salt solution		Excellent
	Soda lye		Excellent
	Water, 23°C		Excellent
	Water, 95°C		Good
Transparency	Opaque

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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PGARY9683 / 140476

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