Pressure Seal 4759 Chloroprene

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Pressure Seal 4759 Chloroprene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 4759 is a 70 durometer red 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 G21; 5 BC 715 A14 B14 EO14 EO34 G21; 6 BC 715 A14 B14 EO14 EO34 G21; 2 BE 715 A14 EO14 EO34; 3 BE 715 A14 EO14 EO34 G21 MIL-G-1149 Type II Class I Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.52 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	70
	50 @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	51 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	64 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	67 @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	71 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	73 @Temperature 70.0 °C, Time 338000 sec	Heat Aged
	76 @Temperature 100 °C, Time 252000 sec	Heat Aged
	85 @Temperature 125 °C, Time 252000 sec	Heat Aged
Tensile Strength	1682 psi
	980.6 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	1079.8 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	1406.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	1424.7 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	1619.8 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	1700.5 psi @Temperature 70.0 °C, Time 338000 sec	Heat Aged
	1725.7 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
Elongation, Ultimate	613 %
	94.4 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	520.4 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	532.7 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	562.1 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	583.6 % @Temperature 70.0 °C, Time 338000 sec	Heat Aged
	589.7 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	592.8 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
100% Modulus	391 psi
Tear Strength	210 pli	Die C
	258 pli	Die B
Compression Set	31.3 % @Temperature 100 °C, Time 79200 sec	Solid
	32.1 % @Temperature 70.0 °C, Time 338000 sec	Solid
	38.9 % @Temperature 100 °C, Time 252000 sec	Solid
	42 % @Temperature 100 °C, Time 79200 sec	Plied
	48 % @Temperature 100 °C, Time 252000 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-37.0 °F
Shrinkage	4.2 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #1
	14.3 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	18.6 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	61.7 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B
	65.7 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #3

Descriptive Properties
Color	Red

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PPRESL080 / 318290

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