Pressure Seal 23844 Ethylene Propylene

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Pressure Seal 23844 Ethylene Propylene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 23844 is an 80 durometer black colored EPDM elastomer, it is formulated with FDA sanctioned materials. It exhibits excellent resistance to heat, compression set and boiling water. It will remain non brittle at very low temperatures. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 815 A13 F17 EA14; 2 BA 815 F17; 4 BA 815 A14 F17; 7 BA 815; 6 CA 810 A25 B35 F17 G11 G21 EA14; 7 CA 815 A25 B35 F17 F18 G11 G21 EA14; 8 CA 815 A25 B35 F17 G11 G21; 2 DA 815 A26 B36 F19 G11 G21 EA14; 3 DA 815 A26 B36 F19 G11 G21 EA14 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	82
	82 @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	82 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	83 @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	83 @Temperature 100 °C, Time 252000 sec	Heat Aged
	83 @Temperature 125 °C, Time 252000 sec	Heat Aged
	85 @Temperature 150 °C, Time 252000 sec	Heat Aged
	85 @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
Tensile Strength	1998 psi
	1628.4 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	1628.4 psi @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	1940 psi @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	1968 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	2061.9 psi @Temperature 150 °C, Time 252000 sec	Heat Aged
	2061.9 psi @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	2289.7 psi @Temperature 100 °C, Time 252000 sec	Distilled water aged
Elongation, Ultimate	192 %
	167 % @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	167 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	187 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	188 % @Temperature 150 °C, Time 252000 sec	Heat Aged
	188 % @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	191.04 % @Temperature 100 °C, Time 252000 sec	Distilled water aged
	192 % @Temperature 70.0 °C, Time 252000 sec	Heat Aged
100% Modulus	839 psi
Tear Strength	149 pli	Die B
	165 pli	Die C
Compression Set	7.2 % @Temperature 100 °C, Time 79200 sec	Solid
	7.8 % @Temperature 70.0 °C, Time 79200 sec	Solid
	9.8 % @Temperature 125 °C, Time 79200 sec	Solid
	9.8 % @Temperature 100 °C, Time 252000 sec	Solid
	12.3 % @Temperature 100 °C, Time 79200 sec	Plied
	13.4 % @Temperature 70.0 °C, Time 79200 sec	Plied
	13.6 % @Temperature 125 °C, Time 79200 sec	Plied
	21.9 % @Temperature 150 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -76.0 °F
Shrinkage	-0.300 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged

Descriptive Properties
Color	Black

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PPRESL235 / 318445

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