Pressure Seal 19825 Silicone

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Pressure Seal 19825 Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Compound 19825 is an 80 durometer white colored Silicone elastomer, using FDA approved materials. It exhibits good resistance to heat and compression set , it will remain flexible at low temperatures. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 6 GE 804 A19 B37 EA14 EO36 F19 ZZ-R-765 Class 2b Grade 80 A-A-59588 Class 2b Grade 80 AMS 3305 Information provided by Pressure Seals Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.43 g/cc	1.43 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	83	83
	74 @Temperature 150 °C, Time 252000 sec	74 @Temperature 302 °F, Time 70.0 hour	ASTM Oil #3
	83 @Temperature 175 °C, Time 252000 sec	83 @Temperature 347 °F, Time 70.0 hour	ASTM Oil #1
	84 @Temperature 150 °C, Time 252000 sec	84 @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1
	85 @Temperature 100 °C, Time 252000 sec	85 @Temperature 212 °F, Time 70.0 hour	Distilled water aged
	87 @Temperature 225 °C, Time 252000 sec	87 @Temperature 437 °F, Time 70.0 hour	Heat Aged
Tensile Strength	7.129 MPa	1034 psi
	7.4001 MPa @Temperature 225 °C, Time 252000 sec	1073.3 psi @Temperature 437 °F, Time 70.0 hour	Heat Aged
	7.6497 MPa @Temperature 175 °C, Time 252000 sec	1109.5 psi @Temperature 347 °F, Time 70.0 hour	ASTM Oil #1
	7.7352 MPa @Temperature 150 °C, Time 252000 sec	1121.9 psi @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1
Elongation, Ultimate	80 %	80 %
	80 % @Temperature 225 °C, Time 252000 sec	80 % @Temperature 437 °F, Time 70.0 hour	Heat Aged
	90 % @Temperature 150 °C, Time 252000 sec	90 % @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1
	90 % @Temperature 175 °C, Time 252000 sec	90 % @Temperature 347 °F, Time 70.0 hour	ASTM Oil #1
Tear Strength	11.0 kN/m	63.0 pli	Die B
	13.8 kN/m	79.0 pli	Die C
Compression Set	8.0 % @Temperature 175 °C, Time 79200 sec	8.0 % @Temperature 347 °F, Time 22.0 hour	Plied
	19.5 % @Temperature 150 °C, Time 252000 sec	19.5 % @Temperature 302 °F, Time 70.0 hour	Plied

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -75.0 °C	<= -103 °F
Shrinkage	0.10 % @Temperature 225 °C, Time 252000 sec	0.10 % @Temperature 437 °F, Time 70.0 hour	Volume, Heat Aged
	2.5 % @Temperature 100 °C, Time 252000 sec	2.5 % @Temperature 212 °F, Time 70.0 hour	Volume, Distilled water aged
	3.3 % @Temperature 150 °C, Time 252000 sec	3.3 % @Temperature 302 °F, Time 70.0 hour	Volume, ASTM Oil #1
	25.4 % @Temperature 150 °C, Time 252000 sec	25.4 % @Temperature 302 °F, Time 70.0 hour	Volume, ASTM Oil #3

Descriptive Properties
Color	White

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PPRESL175 / 318385

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