Pressure Seal 20662 Fluorinated Silicone

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Pressure Seal 20662 Fluorinated Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Compound 20662 is a 60 durometer blue colored Fluorosilicone elastomer. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 HK 609 A19 EO36 F19 MIL-R-25988 Class1, Grade 60, Type 1 & 11 AMS 3325 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.48 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	60
	48 @Temperature 23.0 °C, Time 79200 sec	ASTM Reference Fuel B
	53 @Temperature 150 °C, Time 252000 sec	Stauffer Blend 7700
	66 @Temperature 200 °C, Time 252000 sec	Heat Aged
Tensile Strength	1146 psi
	875.5 psi @Temperature 23.0 °C, Time 79200 sec	ASTM Reference Fuel B
	928.3 psi @Temperature 150 °C, Time 252000 sec	Stauffer Blend 7700
	1135.7 psi @Temperature 200 °C, Time 252000 sec	Heat Aged
Elongation, Ultimate	330 %
	264 % @Temperature 23.0 °C, Time 79200 sec	ASTM Reference Fuel B
	269.9 % @Temperature 200 °C, Time 252000 sec	Heat Aged
	269.9 % @Temperature 150 °C, Time 252000 sec	Stauffer Blend 7700
Tear Strength	155 pli	Die B
Compression Set	8.7 % @Temperature 175 °C, Time 79200 sec	Plied
	9.5 % @Temperature 23.0 °C, Time 252000 sec	Plied
	13.8 % @Time 252000 sec	Stauffer Blend, plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -80.0 °F
Shrinkage	-1.00 % @Temperature 200 °C, Time 252000 sec	Weight, Heat Aged
	7.4 % @Temperature 150 °C, Time 252000 sec	Volume, Stauffer Blend 7700
	20.1 % @Temperature 23.0 °C, Time 79200 sec	Volume, ASTM Reference Fuel B

Descriptive Properties
Color	Blue

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PPRESL214 / 318424

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