Pressure Seal 19424 Silicone

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Pressure Seal 19424 Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Compound 19424 is a 40 durometer translucent Silicone elastomer, it is formulated with FDA approved materials. It exhibits good resistance to heat and compression set. It will remain non brittle at very low temperatures. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 GE 407 A19 B37 EA14 EO16 EO36 F19 G11; 8 GE 409 A19 B37 EA14 EO16 EO36 F19 G11 ZZ-R-765 Class 2a & 2b Grade 40 A-A-59588 Class 2a & 2B Grade 40 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.11 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	44
	23 @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #1
	37 @Treatment Temp. 100 °C, Time 252000 sec	Distilled water aged
	44 @Treatment Temp. 200 °C, Time 252000 sec	Heat Aged
	44 @Treatment Temp. 225 °C, Time 252000 sec	Heat Aged
Tensile Strength	929 psi
	760.9 psi @Treatment Temp. 225 °C, Time 252000 sec	Heat Aged
	856.5 psi @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #1
	1057.2 psi @Treatment Temp. 200 °C, Time 252000 sec	Heat Aged
Elongation, Ultimate	586 %
	451.8 % @Treatment Temp. 225 °C, Time 252000 sec	Heat Aged
	631.7 % @Treatment Temp. 150 °C, Time 252000 sec	ASTM Oil #1
	637 % @Treatment Temp. 200 °C, Time 252000 sec	Heat Aged
100% Modulus	1097 psi
Tear Strength	90.0 pli	Die B
Compression Set	10.4 % @Treatment Temp. 175 °C, Time 79200 sec	Plied
	12.5 % @Treatment Temp. 150 °C, Time 252000 sec	Solid

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -115 °F
Shrinkage	0.50 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, Distilled water aged
	3.9 % @Treatment Temp. 150 °C, Time 252000 sec	Volume, ASTM Oil #1
	47.2 % @Treatment Temp. 150 °C, Time 252000 sec	Volume, ASTM Oil #3

Descriptive Properties
Color	Translucent

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PPRESL160 / 318370

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