Pressure Seal 23744 Ethylene Propylene

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Pressure Seal 23744 Ethylene Propylene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 23744 is a 70 durometer black colored EPDM rubber formulated with FDA sanctioned materials. It exhibits good resistance to heat and compression set. It also has good low temperature flexibility. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 715 A13 EA14 F17; 3 AA 715 B13 B33 EA14 F17 G21; 4 AA 715 A13 B13 B33 EA14 F17 G21; 5 AA 715 A13 B13 B33 EA14 F17 G21; 2 BA 715 C12 F17; 3 BA 715 A14 B13 C12 F17 F19; 4 BA 715 A14 C12 F17; 5 BA 715 C12 F17 F18; 4 CA 715 A25 B35 EA14 F17 F18 F19 G11 G21; 5 CA 715 A25 B35 EA14 F17 F18 G11 G21; 3 CA 710 A25 B44 B35 EA14 F17 F18 G11 G21; 2 DA 715 A26 B36 EA14 F19 G11 G21; 3 DA 715 A26 B36 EA14 F19 G11 G21 CFR 21 177.2600 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.09 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	74
	73 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	75 @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	75 @Temperature 100 °C, Time 252000 sec	Heat Aged
	76 @Temperature 125 °C, Time 252000 sec	Heat Aged
	76 @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	77 @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	77 @Temperature 150 °C, Time 252000 sec	Heat Aged
Tensile Strength	2155 psi
	2055.9 psi @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	2055.9 psi @Temperature 150 °C, Time 252000 sec	Heat Aged
	2245.5 psi @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	2372.7 psi @Temperature 100 °C, Time 252000 sec	Distilled water aged
	2379.1 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	2430.8 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	2430.8 psi @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
Elongation, Ultimate	253 %
	214 % @Temperature 150 °C, Time 252000 sec	Heat Aged
	214 % @Temperature 150 °C, Time 252000 sec	Heat Aged, Test Tube Method
	247.9 % @Temperature 70.0 °C, Time 252000 sec	Heat Aged
	252 % @Temperature 100 °C, Time 252000 sec	Distilled water aged
	265.9 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	271 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	271 % @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
100% Modulus	473 psi
Tear Strength	158 pli	Die C
	196 pli	Die B
Compression Set	5.2 % @Temperature 100 °C, Time 79200 sec	Solid
	6.5 % @Temperature 100 °C, Time 252000 sec	Solid
	6.6 % @Temperature 70.0 °C, Time 79200 sec	Solid
	6.9 % @Temperature 125 °C, Time 79200 sec	Solid
	9.7 % @Temperature 100 °C, Time 79200 sec	Plied
	10.6 % @Temperature 125 °C, Time 79200 sec	Plied
	10.6 % @Temperature 100 °C, Time 252000 sec	Plied
	10.6 % @Temperature 70.0 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -73.0 °F
Shrinkage	0.10 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged

Descriptive Properties
Color	Black

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PPRESL229 / 318439

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