Pressure Seal 5748 Nitrile

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Pressure Seal 5748 Nitrile - Butadiene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 5748 is a 75 durometer black colored Buna N elastomer. It exhibits good resistance to compression set at moderate temperatures, petroleum based oils and aliphatic fuels. It also has excellent tear resistance. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 BF 815 B14 B34 EO14 EO34 Z1; 6 BG 815 A14 B14 B34 EO14 EO34 Z1; 7 BG 815 B14 EA14 EF11 EF21 EO14 EO34 Z1; 3 CH 815 A25 B14 B34 EO16 EO36 Z1; 4 CH 815 A25 B14 EF31 EO15 EO35 Z1 Z1 = 78 +/- 5 Shore A Durometer Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.28 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	75
	61 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	63 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	70 @Temperature 150 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	70 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	72 @Temperature 125 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	74 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	79 @Temperature 100 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	80 @Temperature 125 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	80 @Temperature 100 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	81 @Temperature 150 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	82 @Temperature 100 °C, Time 252000 sec	Heat Aged
	87 @Temperature 125 °C, Time 252000 sec	Heat Aged
Tensile Strength	1988 psi
	1085.5 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	1570.5 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	1874.7 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	2196.3 psi @Temperature 100 °C, Time 252000 sec	Heat Aged
	2204.7 psi @Temperature 125 °C, Time 252000 sec	Heat Aged
	2206.7 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	2210.7 psi @Temperature 125 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	2224.6 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	2230.5 psi @Temperature 125 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	2254.4 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	2268.3 psi @Temperature 100 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
Elongation, Ultimate	253 %
	127.1 % @Temperature 125 °C, Time 252000 sec	Heat Aged
	129.1 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	179.3 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	194.3 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	195.1 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	205.9 % @Temperature 100 °C, Time 252000 sec	Heat Aged
	214.1 % @Temperature 125 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	224.9 % @Temperature 125 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	226.94 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	242.1 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	249.97 % @Temperature 100 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
100% Modulus	744 psi
Tear Strength	182 pli	Die C
	299 pli	Die B
Compression Set	6.6 % @Temperature 100 °C, Time 79200 sec	Solid
	9.5 % @Temperature 100 °C, Time 252000 sec	Solid
	10.8 % @Temperature 125 °C, Time 79200 sec	Solid
	14.5 % @Temperature 100 °C, Time 79200 sec	Plied
	17.8 % @Temperature 100 °C, Time 252000 sec	Plied
	20.4 % @Temperature 125 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-26.0 °F
Shrinkage	-3.50 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #1
	-3.30 % @Temperature 125 °C, Time 252000 sec	Volume, ASTM Oil #1
	-3.20 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #1
	1.2 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	4.8 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	9.0 % @Temperature 100 °C, Time 252000 sec	Volume, ASTM Oil #3
	10.2 % @Temperature 125 °C, Time 252000 sec	Volume, ASTM Oil #3
	11.2 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #3
	27.8 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B
	49.7 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel C

Descriptive Properties
Color	Black
TR-10 Temperature	-27°C

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