| 摘要 |
A curable composition of an epichlorohydrin rubber and an acrylic rubber composed of (1) 100 parts by weight of (a) 10-97% by weight of an epichlorohydrin rubber and (b) 3-90% by weight of an epoxy-containing acrylic rubber, (2) as a crosslinking agent, about 0.1 to about 10 parts by weight of a 2,3-dimercapto-pyrazine or -quinoxaline compound having the following formula <IMAGE> wherein R1, R2, R3 and R4 are as defined in claim 1 and (3) as an acid acceptor, about 0.1 to about 50 parts by weight of a compound of a metal of Group II or IVa of the periodic table.
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