Pressure Seal 19826 Silicone

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Pressure Seal 19826 Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Compound 19826 is an 80 durometer gray colored Silicone elastomer, it is formulated to have improved tear resistance. It exhibits good resistance to heat and compression set. It has excellent low temperature flexibility. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 5 GE 809 B37 EA14 EO36 F19; 7 GE 807 B37 EA14 EO36 F19; 6 GE 804 B37 EA14 EO36 F19 Information provided by Pressure Seals Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.25 g/cc	1.25 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	79	79
	55 @Temperature 150 °C, Time 252000 sec	55 @Temperature 302 °F, Time 70.0 hour	ASTM Oil #3
	74 @Temperature 225 °C, Time 252000 sec	74 @Temperature 437 °F, Time 70.0 hour	Heat Aged
	74 @Temperature 150 °C, Time 252000 sec	74 @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1
	76 @Temperature 200 °C, Time 252000 sec	76 @Temperature 392 °F, Time 70.0 hour	Heat Aged
	78 @Temperature 100 °C, Time 252000 sec	78 @Temperature 212 °F, Time 70.0 hour	Distilled water aged
Tensile Strength	9.115 MPa	1322 psi
	6.508 MPa @Temperature 225 °C, Time 252000 sec	943.9 psi @Temperature 437 °F, Time 70.0 hour	Heat Aged
	8.1034 MPa @Temperature 150 °C, Time 252000 sec	1175.3 psi @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1
	8.5405 MPa @Temperature 200 °C, Time 252000 sec	1238.7 psi @Temperature 392 °F, Time 70.0 hour	Heat Aged
Elongation, Ultimate	420 %	420 %
	215.5 % @Temperature 225 °C, Time 252000 sec	215.5 % @Temperature 437 °F, Time 70.0 hour	Heat Aged
	325 % @Temperature 200 °C, Time 252000 sec	325 % @Temperature 392 °F, Time 70.0 hour	Heat Aged
	330.5 % @Temperature 150 °C, Time 252000 sec	330.5 % @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1
100% Modulus	3.05 MPa	443 psi
Tear Strength	24.5 kN/m	140 pli	Die B
	25.2 kN/m	144 pli	Die C

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -65.0 °C	<= -85.0 °F
Shrinkage	0.30 % @Temperature 100 °C, Time 252000 sec	0.30 % @Temperature 212 °F, Time 70.0 hour	Volume, Distilled water aged
	0.30 % @Temperature 100 °C, Time 252000 sec	0.30 % @Temperature 212 °F, Time 70.0 hour	Weight, Distilled water aged
	2.7 % @Temperature 150 °C, Time 252000 sec	2.7 % @Temperature 302 °F, Time 70.0 hour	Weight, ASTM Oil #1
	4.3 % @Temperature 150 °C, Time 252000 sec	4.3 % @Temperature 302 °F, Time 70.0 hour	Volume, ASTM Oil #1
	29.4 % @Temperature 150 °C, Time 252000 sec	29.4 % @Temperature 302 °F, Time 70.0 hour	Weight, ASTM Oil #3
	40.6 % @Temperature 150 °C, Time 252000 sec	40.6 % @Temperature 302 °F, Time 70.0 hour	Volume, ASTM Oil #3

Descriptive Properties
Color	Grey

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PPRESL217 / 318427

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