Perfluoroelastomer compositions and methods of manufacturing

The present invention, perfluoroelastomer composition was crosslinked, and the first curable perfluoropolymer and second crosslinkable perfluoroelastomer composition comprising a curable perfluoropolymer having a crosslinking site monomer with a cross-linking site monomer comprising a molded article formed from. Molar ratio of one of tetrafluoroethylene monomer and perfluoroalkylvinylether perfluoro polymer is from about 0: a 100 to about 65:35 mol%. The molar ratio of the second tetrafluoroethylene monomer perfluoro polymer and perfluoroalkyl vinyl ether monomer is from about 65:35 to about 95: 5 mol%. The composition further comprises a curing agent. Here, fluorine-containing elastomer composition has a short crosslinking time, tetrafluoroethylene units, perfluoroalkyl vinyl ether unit (a) and a nitrile group, monomers having at least one selected from the group consisting of carboxyl group and an alkoxycarbonyl group includes a perfluoroelastomer (a) having units (b), a composition content have two or more kinds of perfluoroelastomers different (a) of the perfluoroalkyl vinyl ether units (a) of the crosslinking time short free providing fluoroelastomer composition.