Diaphragm

Details Diaphragm Diaphragm

C - Chemistry, Metallurgy

08

F

402/298, 402/341

C08F 22/30 (2006.01) C08C 19/02 (2006.01) C08L 15/00 (2006.01) F16J 3/02 (2006.01) F02B 75/02 (2006.01)

Patent

CA 1221494

ABSTRACT OF THE DISCLOSURE An oil resistant diaphragm having a fluid contact- ing surface made of a vulcanized rubber composition of, or composed mainly of, partially hydrogenated unsaturated nitrile-conjugated diene copolymer rubber in which at least 50% of the conjugated diene units is hydrogenated. This diaphragm is superior in resistance to deteriorated gasoline and low temperature, and is suitable for the automobile fuel pump.

416155

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