Patent ID: 7510772

Claim:
A molded rubber article comprising a fluorosilicone rubber and a dimethylsilicone rubber laid thereon, wherein one or both of the rubber compositions of which the fluorosilicone rubber and the dimethylsilicone rubber are made comprise an organosiloxane having the average formula (2): wherein R 4 is each independently a substituted or unsubstituted, monovalent aliphatic unsaturated hydrocarbon group of 2 to 8 carbon atoms, an unsubstituted, monovalent aliphatic saturated hydrocarbon group of 1 to 8 carbon atoms, or an aromatic hydrocarbon group of 6 to 10 carbon atoms, d is an integer of 0 or 1, 1, m and n are each independently a positive number in the range of 1 to 50, said organosiloxane having a viscosity of up to 2,000 mPaÂ·s at 25Â° C.