| 摘要 |
A foamable rubber composition comprising 100 parts by weight of a nitrile group-containing highly saturated copolymer rubber, 5 to 100 parts by weight of polyethylene, 3 to 100 parts by weight of a metal salt of an ethylenically unsaturated carboxylic acid, 0.5 to 10 parts by weight of an organic peroxide and 1 to 15 parts by weight of a foaming agent is foamed and shaped into a foamed rubber product.
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