Pressure Seal 19748 Silicone

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Pressure Seal 19748 Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Compound 19748 is a 70 durometer salmon colored Silicone elastomer, it is formulated with FDA sanctioned materials. It exhibits good resistance to heat and 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 5 GE 709 A19 B37 EA14 EO16 EO36 F19 G11; 6 GE 709 A19 B37 EA14 EO16 EO36 F19 G11; 7 GE 709 A19 B37 EA14 EO16 EO36 F19 G11; 3 FC 710 A19 B37 EA14 EO16 F1-11 G11; M5 GE 706 A19 B37 EA14 EO16 EO36 F19 G11 ZZ-R-765 Class 2a & 2b Grade 70 A-A-59588 Class 2a & 2b Grade 70 3-A Sanitary Standards 18-03 Class III & IV AMS 3304 CFR 21 177.2600 This Compound is RoHS Compliant Information provided by Pressure Seals Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.19 g/cc	1.19 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	72	72
	55 @Temperature 150 °C, Time 252000 sec	55 @Temperature 302 °F, Time 70.0 hour	ASTM OIL #3 (IRM 903)
	68 @Temperature 175 °C, Time 252000 sec	68 @Temperature 347 °F, Time 70.0 hour	ASTM Oil #1 (IRM 901)
	69 @Temperature 150 °C, Time 252000 sec	69 @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1 (IRM 901)
	72 @Temperature 100 °C, Time 252000 sec	72 @Temperature 212 °F, Time 70.0 hour	Distilled water aged
	74 @Temperature 200 °C, Time 252000 sec	74 @Temperature 392 °F, Time 70.0 hour	Heat Aged
	76 @Temperature 225 °C, Time 252000 sec	76 @Temperature 437 °F, Time 70.0 hour	Heat Aged
Tensile Strength	7.115 MPa	1032 psi
	6.269 MPa @Temperature 175 °C, Time 252000 sec	909.2 psi @Temperature 347 °F, Time 70.0 hour	ASTM Oil #1 (IRM 901)
	6.795 MPa @Temperature 150 °C, Time 252000 sec	985.6 psi @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1 (IRM 901)
	7.4284 MPa @Temperature 225 °C, Time 252000 sec	1077.4 psi @Temperature 437 °F, Time 70.0 hour	Heat Aged
	8.8370 MPa @Temperature 200 °C, Time 252000 sec	1281.7 psi @Temperature 392 °F, Time 70.0 hour	Heat Aged
Elongation, Ultimate	247 %	247 %
	231.9 % @Temperature 175 °C, Time 252000 sec	231.9 % @Temperature 347 °F, Time 70.0 hour	ASTM Oil #1 (IRM 901)
	238.1 % @Temperature 150 °C, Time 252000 sec	238.1 % @Temperature 302 °F, Time 70.0 hour	ASTM Oil #1 (IRM 901)
	243 % @Temperature 225 °C, Time 252000 sec	243 % @Temperature 437 °F, Time 70.0 hour	Heat Aged
	289 % @Temperature 200 °C, Time 252000 sec	289 % @Temperature 392 °F, Time 70.0 hour	Heat Aged
100% Modulus	2.74 MPa	397 psi
Tear Strength	12.6 kN/m	72.0 pli	Die B
	15.8 kN/m	90.0 pli	Die C
Compression Set	11.5 % @Temperature 175 °C, Time 79200 sec	11.5 % @Temperature 347 °F, Time 22.0 hour	Plied
	13.9 % @Temperature 150 °C, Time 252000 sec	13.9 % @Temperature 302 °F, Time 70.0 hour	Plied

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -86.1 °C	<= -123 °F
Shrinkage	0.00 % @Temperature 100 °C, Time 252000 sec	0.00 % @Temperature 212 °F, Time 70.0 hour	Volume, Distilled water aged
	3.8 % @Temperature 150 °C, Time 252000 sec	3.8 % @Temperature 302 °F, Time 70.0 hour	Volume, ASTM Oil #1
	5.4 % @Temperature 175 °C, Time 252000 sec	5.4 % @Temperature 347 °F, Time 70.0 hour	Volume, ASTM Oil #1
	42.8 % @Temperature 150 °C, Time 252000 sec	42.8 % @Temperature 302 °F, Time 70.0 hour	Volume, ASTM Oil #3

Descriptive Properties
Color	Salmon
TR-10 Temperature	-45°C

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PPRESL171 / 318381

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