Pressure Seal 23719 Ethylene Propylene

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Pressure Seal 23719 Ethylene Propylene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 23719 is a 70 durometer black colored EPDM elastomer, it is formulated with graphite to provide internal lubrication. It exhibits good resistance to heat and water. It will remain non brittle at low temperatures. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 715 A13 F17 EA14; 3 AA 715 B13 B33 F17 EA14; 4 AA 715 A13 B13 B33 F17 EA14; 5 AA 715 A13 B13 B33 F17 EA14; 2 BA 715 F17; 3 BA 715 A14 F17 F19; 4 BA 715 A14 F17; 5 BA 715 F17 F19; 6 BA 715 B13; 3 CA 710 A25 B44 B35 F17 F18 G11 G21 EA14; 4 CA 715 A25 B35 F17 F18 F19 G11 G21 EA14; 5 CA 715 A25 B35 FV17 F18 G11 G21 EA14; 2 DA 715 A26 B36 EA14 F19 G11 G21; 3 DA 715 A26 B36 EA14 F19 G11 G21 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.14 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	74
	74 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	75 @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	78 @Temperature 125 °C, Time 252000 sec	Heat Aged
	78 @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	79 @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	79 @Temperature 150 °C, Time 252000 sec	Heat Aged
	79 @Temperature 100 °C, Time 252000 sec	Heat Aged
Tensile Strength	1983 psi
	1994.9 psi @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	2086.1 psi @Temperature 150 °C, Time 252000 sec	Heat Aged
	2086.1 psi @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	2278.5 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	2421.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	2421.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
Elongation, Ultimate	366 %
	281.1 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	281.1 % @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	302.3 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	345.1 % @Temperature 150 °C, Time 252000 sec	Heat Aged
	345.1 % @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	394.2 % @Temperature 70.0 °C, Time 252000 sec	Heat Aged
100% Modulus	463 psi
Tear Strength	212 pli	Die B
	222 pli	Die C
Compression Set	12.4 % @Temperature 70.0 °C, Time 79200 sec	Solid
	18.1 % @Temperature 70.0 °C, Time 79200 sec	Plied
	20.8 % @Temperature 125 °C, Time 79200 sec	Plied
	21.5 % @Temperature 100 °C, Time 79200 sec	Solid
	24.7 % @Temperature 100 °C, Time 252000 sec	Solid
	25.9 % @Temperature 100 °C, Time 252000 sec	Plied
	30.5 % @Temperature 100 °C, Time 79200 sec	Plied
	34 % @Temperature 150 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -80.0 °F
Shrinkage	-1.80 % @Temperature 125 °C, Time 252000 sec	Weight, Heat Aged
	-1.80 % @Temperature 150 °C, Time 252000 sec	Weight, Heat Aged
	-1.60 % @Temperature 70.0 °C, Time 252000 sec	Weight, Heat Aged
	-1.50 % @Temperature 100 °C, Time 252000 sec	Weight, Heat Aged
	-0.500 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged

Descriptive Properties
Color	Black

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PPRESL228 / 318438

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