|
Sealing Gasket Physical Properties
|
|
Property
|
Plain
Phenolic |
Silicone
Glass G-7* |
Epoxy
Glass G-10 |
Epoxy
Glass G-11 |
|
Dielectric strengths,
Volts/mil |
500
|
350-400
|
550
|
550
|
|
Compressive strength,
psi |
25,000
|
40,000
|
50,000
|
50,000+
|
|
Water absorption, %
|
1.6
|
0.07
|
0.10
|
0.10
|
|
Insulating Resistance,
Meg Ohms |
40,000
|
2,500
|
200,000
|
200,000
|
|
Flexural strength, psi
|
22,500
|
27,000
|
45,000
|
43,000
|
|
Operating temp, ºF
|
-65 to +220
|
-292 to +450
|
-292 to +280
|
-292 to +350
|
|
Operating temp, ºC
|
-54 to +104
|
-180 to +232
|
-180 to +138
|
-180 to +177
|
|
* = G-7 material should not be used with hydrocarbons, not even trace amounts.
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