| abstract |
An object of the present invention is to provide a layered product of a polymer layer made of PTFE or the like and the rubber, with further improvement in the adhesiveness between the polymer layer and the rubber layer. A layered product in which a fluorine-containing polymer compound layer and a rubber layer formed from a rubber composition are stacked, wherein the fluorine-containing polymer compound is polytetrafluoroethylene or a copolymer of a difluoromethylene unit and at least one of a hexafluoropropylene unit, a perfluoroalkyl vinyl ether unit, a methylene unit, an ethylene unit, and a perfluorodioxole unit, and the rubber layer contains SiO 2 . |