Pressure Seal 77757 Nitrile

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Pressure Seal 77757 Nitrile - Butadiene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 77757 is a 75 durometer black colored Carboxylated Nitrile elastomer, it is formulated with an organic lubricant to provide internal lubrication. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 BF 820 B14 EO14 EO34 Z1; 3 BG 830 B14 EO14 Z1; 4 BG 830 B14 EO14 Z1; 6 BG 820 A14 B14 EO14 EO34 F17 Z1; 7 BG 820 B14 EO14 EO34 EF11 F16 EA14 Z1 Z1 = 75 +/- 5 SHORE A Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.14 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	79
	55 @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	71 @Treatment Temp. 100 °C, Time 252000 sec	Distilled water aged
	74 @Treatment Temp. 100 °C, Time 252000 sec	ASTM Oil #3
	76 @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	82 @Treatment Temp. 100 °C, Time 252000 sec	ASTM Oil #1
	88 @Treatment Temp. 100 °C, Time 252000 sec	Heat Aged
	91 @Treatment Temp. 125 °C, Time 252000 sec	Heat Aged
Tensile Strength	3133 psi
	1105.9 psi @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	2494 psi @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	2819.7 psi @Treatment Temp. 100 °C, Time 252000 sec	Distilled water aged
	2938.8 psi @Treatment Temp. 125 °C, Time 252000 sec	Heat Aged
	3176.9 psi @Treatment Temp. 100 °C, Time 252000 sec	ASTM Oil #3
	3319.8 psi @Treatment Temp. 100 °C, Time 252000 sec	Heat Aged
	3709.5 psi @Treatment Temp. 100 °C, Time 252000 sec	ASTM Oil #1
Elongation, Ultimate	400 %
	196 % @Treatment Temp. 125 °C, Time 252000 sec	Heat Aged
	234 % @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	338 % @Treatment Temp. 100 °C, Time 252000 sec	Heat Aged
	350 % @Treatment Temp. 100 °C, Time 252000 sec	ASTM Oil #3
	362.8 % @Treatment Temp. 100 °C, Time 252000 sec	ASTM Oil #1
	366.8 % @Treatment Temp. 100 °C, Time 252000 sec	Distilled water aged
	370.8 % @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
100% Modulus	643 psi
Tear Strength	290 pli	Die B
Compression Set	22.4 % @Treatment Temp. 100 °C, Time 79200 sec	Solid
	30 % @Treatment Temp. 100 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-54.0 °F
Shrinkage	-4.40 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, ASTM Oil #1
	-4.30 % @Treatment Temp. 125 °C, Time 252000 sec	Volume, Heat Aged
	-2.40 % @Treatment Temp. 100 °C, Time 252000 sec	Weight, Heat Aged
	4.4 % @Treatment Temp. 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	7.1 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, Distilled water aged
	13.1 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, ASTM Oil #3
	41.9 % @Treatment Temp. 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B

Descriptive Properties
Color	Black

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PPRESL059 / 318269

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