Pressure Seal 8618 Fluorinated Hydrocarbon

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Pressure Seal 8618 Fluorinated Hydrocarbon
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 8618 is a 60 durometer black colored fluorocarbon elastomer, it is formulated with Teflon to provide internal lubrication. It exhibits good resistance to heat, compression set, petroleum based oils and both aliphatic and aromatic fuels. Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.87 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65
	58 @Temperature 200 °C, Time 252000 sec	Stauffer Blend 7700
	61 @Temperature 200 °C, Time 252000 sec	Service Fluid 101
	61 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	65 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	65 @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	65 @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	67 @Temperature 250 °C, Time 252000 sec	Heat Aged
	68 @Temperature 275 °C, Time 252000 sec	Heat Aged
Tensile Strength	1013 psi
	703.1 psi @Temperature 200 °C, Time 252000 sec	Stauffer Blend 7700
	739.5 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	848.9 psi @Temperature 200 °C, Time 252000 sec	Service Fluid 101
	867.1 psi @Temperature 275 °C, Time 252000 sec	Heat Aged
	905.6 psi @Temperature 250 °C, Time 252000 sec	Heat Aged
	963.5 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	1007.94 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
Elongation, Ultimate	328 %
	286.1 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	287 % @Temperature 250 °C, Time 252000 sec	Heat Aged
	299.2 % @Temperature 200 °C, Time 252000 sec	Stauffer Blend 7700
	328 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	341.12 % @Temperature 200 °C, Time 252000 sec	Service Fluid 101
	357.8 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	371.9 % @Temperature 275 °C, Time 252000 sec	Heat Aged
100% Modulus	281 psi
Tear Strength	97.0 pli	Die C
	136 pli	Die B
Compression Set	11.1 % @Temperature 175 °C, Time 79200 sec	Plied
	15.8 % @Temperature 200 °C, Time 79200 sec	Plied
	19 % @Temperature 23.0 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-6.00 °F
Shrinkage	0.40 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #1
	1.8 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #3
	1.9 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	3.1 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel C
	8.7 % @Temperature 200 °C, Time 252000 sec	Volume, Service Fluid 100
	15.7 % @Temperature 200 °C, Time 252000 sec	Volume, Stauffer Blend 7700

Descriptive Properties
Color	Black

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PPRESL095 / 318305

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