Pressure Seal 8746 Fluorinated Hydrocarbon

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Pressure Seal 8746 Fluorinated Hydrocarbon
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 8746 is a 70 durometer black colored Fluorinated Hydrocarbon elastomer, it is formulated with DuPont Viton®. It exhibits good resistance to heat, compression set and petroleum based oils. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 HK 815 A1-10 B37 B38 EF31 EO78 Z1; 4 HK 815 A1-11 B38 EF31 EO78 Z1; 6 HK 815 A1-10 A1-11 B31 B38 EF31 EO88 Z1 Z1 = Shore A Durometer 75 ± 5 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.85 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	75
	67 @Treatment Temp. 200 °C, Time 252000 sec	Stauffer Blend 7700
	68 @Treatment Temp. 200 °C, Time 252000 sec	Service Fluid 101
	71 @Treatment Temp. 275 °C, Time 252000 sec	Heat Aged
	73 @Treatment Temp. 250 °C, Time 252000 sec	Heat Aged
	73 @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	74 @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	75 @Treatment Temp. 100 °C, Time 252000 sec	Distilled water aged
	75 @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	75 @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	75 @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
Tensile Strength	1878 psi
	1425.4 psi @Treatment Temp. 200 °C, Time 252000 sec	Stauffer Blend 7700
	1500.5 psi @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	1538 psi @Treatment Temp. 275 °C, Time 252000 sec	Heat Aged
	1556.9 psi @Treatment Temp. 200 °C, Time 252000 sec	Service Fluid 101
	1750.3 psi @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	1842.3 psi @Treatment Temp. 250 °C, Time 252000 sec	Heat Aged
	1846.1 psi @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	1900.5 psi @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
Elongation, Ultimate	230 %
	210 % @Treatment Temp. 250 °C, Time 252000 sec	Heat Aged
	210 % @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	220.1 % @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel B
	230 % @Treatment Temp. 200 °C, Time 252000 sec	Stauffer Blend 7700
	230 % @Treatment Temp. 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	234.6 % @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #3 (IRM 903)
	239.9 % @Treatment Temp. 200 °C, Time 252000 sec	Service Fluid 101
	239.9 % @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #1 (IRM 901)
	239.9 % @Treatment Temp. 275 °C, Time 252000 sec	Heat Aged
100% Modulus	611 psi
Tear Strength	137 pli	Die B
	137 pli	Die C
Compression Set	7.9 % @Treatment Temp. 175 °C, Time 79200 sec	Plied
	9.8 % @Treatment Temp. 200 °C, Time 79200 sec	Plied
	10 % @Treatment Temp. 23.0 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-6.00 °F
Shrinkage	0.10 % @Treatment Temp. 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	0.20 % @Treatment Temp. 150 °C, Time 252000 sec	Volume, ASTM Oil #1
	1.7 % @Treatment Temp. 150 °C, Time 252000 sec	Volume, ASTM Oil #3
	1.9 % @Treatment Temp. 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel B
	2.5 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, Distilled water aged
	4.1 % @Treatment Temp. 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel C
	8.8 % @Treatment Temp. 200 °C, Time 252000 sec	Volume, Service Fluid 100
	15.6 % @Treatment Temp. 200 °C, Time 252000 sec	Volume, Stauffer Blend 7700

Descriptive Properties
Color	Black

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PPRESL103 / 318313

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