Adhesive seal member for fuel cell

An adhesive seal member for a fuel cell, the adhesive seal member sealing a component member in the fuel cell and comprising a cross-linked product of a rubber composition containing components (A) to (E):

• (A) at least one rubber component selected from ethylene-propylene rubber and ethylene-propylene-diene rubber;
• (B) an organic peroxide having a one-hour half-life temperature of 130° C. or less;
• (C) a crosslinking aid;
• (D) at least one adhesive component selected from a resorcinol compound and a melamine compound, an aluminate coupling agent, and a silane coupling agent;
• and
• (E) a softener having a pour point of −40° C. or less.

An adhesive seal member for a fuel cell, the adhesive seal member sealing a component member in the fuel cell and comprising a cross-linked product of a rubber composition containing components (A) to (D):

• (A) at least one rubber component selected from ethylene-propylene rubber and ethylene-propylene-diene rubber having an ethylene content of 50% by mass or less;
• (B) an organic peroxide having a one-hour half-life temperature of 130° C. or less;
• (C) a crosslinking aid;
• and
• (D) at least one adhesive component selected from a resorcinol compound and a melamine compound, an aluminate coupling agent, and a silane coupling agent.