| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal composition for fuel batteries which enables the sealing in a temperature range of an ultra-low temperature to a high temperature and under a vapor environment.SOLUTION: A seal composition for fuel batteries consists of a cross-linked rubber composition which comprises (a) a rubber component selected from ethylene-propylene-diene rubbers including 7 wt.% or more of diene and 50 wt.% or less of ethylene, (b) a co-cross-linking agent including a polyfunctional unsaturated compound having two or more double bonds, (c) an organic peroxide, (d) a softener having a pour point of -40°C or below, and (e) a thermoplastic resin. |
