| abstract |
(57) [Summary] [Structure] (A) A fluororubber obtained by copolymerizing tetrafluoroethylene and propylene, (B) a monomer containing iodine or bromine, a perfluoroalkyl vinyl ether and at least one fluorine. A fluororubber composition comprising a fluororubber obtained by copolymerizing an unsaturated monomer contained therein, (C) an organic peroxide, and (D) an unsaturated polyfunctional compound. [Effect] It gives a vulcanizate having excellent performance even for an engine oil having a good heat resistance containing an amine-based additive and the like, and having a good low-temperature property. |