| 摘要 |
A nitrile rubber composition containing a carboxyl group-containing nitrile rubber and a reactive silicone oil and cross-linked rubber obtained by using that nitrile rubber composition are provided. Further, a rubber composition for sliding member use containing a carboxyl group-containing rubber which contains carboxyl group-containing monomer units in a ratio of 0.1 to 20 wt %, a content ratio of monomer units which have unsaturated carbon-carbon double bonds of 20 wt % or less, and a content ratio of monomer units which have halogen atoms of 5 wt % or less and a reactive silicone oil is provided.
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