Pressure Seal 20862 Fluorinated Silicone

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Pressure Seal 20862 Fluorinated Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Compound 20862 is an 80 durometer blue colored general purpose Fluorosilicone elastomer. It exhibits good resistance to heat, petroleum based oils and aromatic fuels, it also has excellent low temperature flexibility. Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.63 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	80
	70 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	78 @Temperature 100 °C, Time 252000 sec	Distilled water aged
	78 @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	78 @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	80 @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	83 @Temperature 200 °C, Time 252000 sec	Heat Aged
	85 @Temperature 225 °C, Time 252000 sec	Heat Aged
Tensile Strength	974 psi
	699.3 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	787 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	795.2 psi @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	889.3 psi @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
	970.1 psi @Temperature 200 °C, Time 252000 sec	Heat Aged
	990.6 psi @Temperature 225 °C, Time 252000 sec	Heat Aged
Elongation, Ultimate	129 %
	85 % @Temperature 200 °C, Time 252000 sec	Heat Aged
	98.9 % @Temperature 225 °C, Time 252000 sec	Heat Aged
	116 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel C
	125 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #3
	125 % @Temperature 23.0 °C, Time 252000 sec	ASTM Reference Fuel A
	129 % @Temperature 150 °C, Time 252000 sec	ASTM Oil #1
100% Modulus	821 psi
Tear Strength	73.0 pli	Die C
	109 pli	Die B
Compression Set	31.9 % @Temperature 175 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-61.0 °F
Shrinkage	0.00 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #1
	2.1 % @Temperature 150 °C, Time 252000 sec	Volume, ASTM Oil #3
	2.1 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel A
	3.2 % @Temperature 100 °C, Time 252000 sec	Volume, Distilled water aged
	17 % @Temperature 23.0 °C, Time 252000 sec	Volume, ASTM Reference Fuel C

Descriptive Properties
Color	Blue

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PPRESL216 / 318426

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