abstract |
A rubber composition for use as a cover of rubber pipes or hoses, comprising a terpolymer rubber composed of 35 to 80 mole% of epichlorohydrin, 15 to 50 mole% of ethylene oxide and 5 to 15 mole% of an unsaturated epoxide, and a di- or tri-mercapto-s-triazine as a vulcanization agent. |