Pressure Seal 7501 Nitrile

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Pressure Seal 7501 Nitrile - Butadiene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 7501 is a 50 durometer black colored Buna N elastomer, it is specifically formulated to be ozone resistant. It exhibits good low temperature flexibility. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 BG 515 B14 B34 EA14 EF11 EF21 F17; 3 BG 515 B14 F19; 4 BG 515 B14 F19; 5 BG 515 A14 B14 B34 F19 MIL-STD.417 SB 515 A1 B1 E3 E5 C1 F2 AMS 3205 MIL-PRF-1149 Type I Class 5 This Compound is RoHS Compliant Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.15 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	55
	53 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	55 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	55 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	59 @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	62 @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	65 @Temperature 100 °C, Time 252000 sec	Heat Aged
	74 @Temperature 125 °C, Time 252000 sec	Heat Aged
	74 @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
Tensile Strength	1517 psi
	975.4 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	1507.9 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	1729.4 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	1765.8 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	1867.4 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	2113.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	2113.2 psi @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
Elongation, Ultimate	496 %
	316.9 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	373 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	373 % @Temperature 125 °C, Time 252000 sec	Heat Aged, Test Tube Method
	391.8 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	404.2 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #1
	448.9 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #3
	462.8 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
100% Modulus	247 psi
Tear Strength	123 pli	Die B
	170 pli	Die C
Compression Set	5.0 % @Temperature 100 °C, Time 79200 sec	Solid
	8.8 % @Temperature 100 °C, Time 252000 sec	Solid
	9.6 % @Temperature 125 °C, Time 79200 sec	Solid
	10.1 % @Temperature 100 °C, Time 79200 sec	Plied
	13.6 % @Temperature 125 °C, Time 79200 sec	Plied
	14.5 % @Temperature 100 °C, Time 252000 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -67.0 °F
Shrinkage	-14.4 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #1
	-3.90 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	-3.10 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #3
	4.4 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	16.1 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B

Descriptive Properties
Color	Black
TR-10 Temperature	-43°C	ASTM D1329 (10% Retraction)

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PPRESL049 / 318259

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