| abstract |
A nitrile copolymer rubber composition containing a nitrile copolymer rubber (A) which contains α,β-ethylenically unsaturated nitrile monomer units (a1) 35 to 85 wt%, conjugated diene monomer units which may be at least partially hydrogenated (a2) 15 to 65 wt%, cationic monomer units (a3) 0 to 30 wt%, and aromatic vinyl monomer units (a4) 0 to 50 wt%, the total content of the α,β-ethylenically unsaturated nitrile monomer units (a1) and the aromatic vinyl monomer units (a4) being 35 to 85 wt%, a vinyl chloride resin (B), and a plasticizer (C) with a specific structure is provided. |