Pressure Seal 77902 Nitrile

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Pressure Seal 77902 Nitrile - Butadiene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 77902 is a 90 durometer black colored general purpose Carboxylated Nitrile elastomer. It exhibits good physicals. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 6 BG 915 B14 B34 EO14 EO34; 7 BG 915 B14 EA14 EF11 EF21; 4 BK 915 A24 B14 B34 EF11 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.23 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	90
	70 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	74 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	85 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	89 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	89 @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	90 @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	90 @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	90 @Temperature 125 °C, Time 252000 sec	ASTM Oil #3
	94 @Temperature 125 °C, Time 252000 sec	ASTM Oil #1
	94 @Temperature 100 °C, Time 252000 sec	Heat Aged
	96 @Temperature 125 °C, Time 252000 sec	Heat Aged
	96 @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
Tensile Strength	3348 psi
	1771.1 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	2346.9 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	3147.1 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	3217.4 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	3676.1 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	3923.9 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	4044.4 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	4195 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	4201.7 psi @Temperature 125 °C, Time 252000 sec	ASTM Oil #1
	4205.1 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	4339 psi @Temperature 125 °C, Time 252000 sec	ASTM Oil #3
Elongation, Ultimate	220 %
	100 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	100 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	100 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	130 % @Temperature 125 °C, Time 252000 sec	ASTM Oil #1
	130 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	130 % @Temperature 125 °C, Time 252000 sec	ASTM Oil #3
	130 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	139.9 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	159.9 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	190.1 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	199.98 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
100% Modulus	1652 psi
Tear Strength	260 pli	Die B
	359 pli	Die C
Compression Set	18.9 % @Temperature 100 °C, Time 79200 sec	Solid
	22 % @Temperature 125 °C, Time 79200 sec	Solid
	24.7 % @Temperature 100 °C, Time 79200 sec	Plied
	35.7 % @Temperature 125 °C, Time 79200 sec	Plied
	37.1 % @Temperature 100 °C, Time 252000 sec	Solid
	49.9 % @Temperature 100 °C, Time 252000 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-29.0 °F
Shrinkage	-4.60 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #1
	-4.20 % @Temperature 125 °C, Time 252000 sec	Volume, ASTM Oil #1
	-3.20 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #1
	1.4 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	6.9 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #3
	10.3 % @Temperature 125 °C, Time 252000 sec	Volume, ASTM Oil #3
	11.7 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #3
	12.2 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	29.1 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B
	47.8 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel C

Descriptive Properties
Color	Black

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PPRESL061 / 318271

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