Silica-alumina trihydrate filled epoxy castings resistant to arced SF.sub.6

Patent · Sun Jan 01 00:00:00 EST 1978

OSTI ID:863148

Chenoweth, Terrence E ^[1]; Yeoman, Frederick A ^[2]

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1. Monroeville, PA
2. Murrysville, PA

A cured, insulating, casting composition, having a coefficient of linear thermal expansion of below about 38 .times. 10.sup.-6 in./in./.degree. C and being resistant to arced sulfur hexafluoride gas, in contact with a metal surface in a sulfur hexafluoride gas environment, is made from hydantoin epoxy resin, anhydride curing agent and a filler combination of fused silica and alumina trihydrate.

• DOE Contract Number: E(49-18)-2061
• Assignee: Westinghouse Electric Corp. (Pittsburgh, PA)
• Patent Number(s): US 4104238
• OSTI ID: 863148
• Country of Publication: United States
• Language: English

Related Subjects

silica-alumina
trihydrate
filled
epoxy
castings
resistant
arced
sf
cured
insulating
casting
composition
coefficient
linear
thermal
expansion
below
38
times
10
-6
degree
sulfur
hexafluoride
gas
contact
metal
surface
environment
hydantoin
resin
anhydride
curing
agent
filler
combination
fused
silica
alumina
gas environment
fused silica
sulfur hexafluoride
metal surface
thermal expansion
curing agent
epoxy resin
linear thermal
hexafluoride gas
casting composition
/523/218/252/