| 摘要 |
A cross-linkable nitrile rubber composition obtained by mixing a master batch (B) which contains a nitrile copolymer rubber (b1) having an iodine value of 120 or less and an aromatic polyvalent amine cross-linking agent (b2) into a carboxyl group-containing nitrile copolymer rubber (A) having an iodine value of 120 or less and a cross-linked product obtained by cross-linking the same are provided. |
