Pressure Seal 4765 Chloroprene

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Pressure Seal 4765 Chloroprene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 4765 is a 70 durometer white colored Neoprene elastomer. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 3 BC 715 A14 B14 EO14 EO34 F17 G21; 5 BC 715 A14 B14 EO14 EO34 G21; 6 BC 715 A14 B14 EO14 EO34 F17; 2 BE 715 A14 EO14 EO34 F17; 3 BE 715 A14 EO14 EO34 G21 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.69 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	72
	45 @Temperature 125 °C, Time 252000 sec	Heat Aged
	49 @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	52 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	65 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	65 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	68 @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	77 @Temperature 100 °C, Time 252000 sec	Heat Aged
Tensile Strength	1646 psi
	867.4 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	1012.3 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	1349.7 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	1412.3 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	1649.3 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	1670.7 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
Elongation, Ultimate	630 %
	460 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	529.8 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	539.9 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	569.8 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	570.2 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	599.8 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
100% Modulus	354 psi
Tear Strength	176 pli	Die B
	207 pli	Die C
Compression Set	29 % @Temperature 100 °C, Time 79200 sec	Solid
	39.8 % @Temperature 100 °C, Time 252000 sec	Solid
	40.2 % @Temperature 100 °C, Time 79200 sec	Plied
	51.9 % @Temperature 100 °C, Time 252000 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-40.0 °F
Shrinkage	4.2 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #1
	15.5 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	20.4 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	63 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B
	65 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #3

Descriptive Properties
Color	White

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PPRESL082 / 318292

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