Peroxide cross-linked fluororubber compositions and rubber molded articles as well as fluororubber cured products

Abstract

A peroxide-crosslinked fluororubber composition comprises: (a) a peroxide-crosslinked fluoropolymer; and (b) a reinforcing filler surface-treated with a surface-treatment agent, wherein the surface-treatment agent is a silane coupling agent having an aliphatic hydrocarbon group having 3 to 40 carbon atoms; the peroxide-crosslinked fluororubber composition can provide a cured product with excellent compression set resistance and rubber properties.