Pressure Seal 23911 Ethylene Propylene

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Pressure Seal 23911 Ethylene Propylene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 23911 is a 90 durometer black colored general purpose EPDM elastomer. It exhibits good resistance to automotive brake fluid, water, compression set and heat at elevated temperatures. It will remain non brittle at low temperatures. This compound is peroxide cured. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 915 A13 F17 EA14; 2 BA 915 F17; 4 BA 915 A14 F17; 7 CA 915 A25 B35 F17 F18 G11 G21 EA14; 8 CA 915 A25 B35 F17 G11 G21 EA14; 6 CA 915 A25 B35 A14 F17 G11 G21 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	91
	90 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	91 @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	92 @Temperature 100 °C, Time 252000 sec	Heat Aged
	92 @Temperature 125 °C, Time 252000 sec	Heat Aged
	92 @Temperature 150 °C, Time 252000 sec	Heat Aged
	92 @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	92 @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
Tensile Strength	1920 psi
	1820.2 psi @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	1826 psi @Temperature 150 °C, Time 252000 sec	Heat Aged
	1826 psi @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	1856.64 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	1866.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	1866.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
Elongation, Ultimate	135 %
	128 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	128 % @Temperature 150 °C, Time 252000 sec	Heat Aged
	128 % @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	132 % @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	132 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	133 % @Temperature 70.0 °C, Time 252000 sec	Heat Aged
100% Modulus	1428 psi
Tear Strength	184 pli	Die C
	191 pli	Die B
Compression Set	6.9 % @Temperature 100 °C, Time 79200 sec	Solid
	6.9 % @Temperature 125 °C, Time 79200 sec	Solid
	8.5 % @Temperature 100 °C, Time 252000 sec	Solid
	8.8 % @Temperature 70.0 °C, Time 79200 sec	Solid
	14.5 % @Temperature 70.0 °C, Time 79200 sec	Plied
	14.7 % @Temperature 100 °C, Time 79200 sec	Plied
	15.6 % @Temperature 125 °C, Time 79200 sec	Plied
	18.3 % @Temperature 100 °C, Time 252000 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -75.0 °F
Shrinkage	0.30 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged

Descriptive Properties
Color	Black
TR-10 Temperature	-46°C

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PPRESL237 / 318447

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