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|1. (WO2018221665) LAYERED PRODUCT AND METHOD FOR PRODUCING SAME|
|Title:||LAYERED PRODUCT AND METHOD FOR PRODUCING SAME|
The purpose of the present invention is to provide a layered product of a rubber layer and a polymer layer, such as PTFE, in which adhesion between the polymer layer and the rubber is further improved. The present invention is a layered product in which a fluorine-containing polymer compound layer and a rubber layer formed from a rubber composition are layered, and is characterized in that: the fluorine-containing polymer compound is a copolymer comprising difluoromethylene units and at least one type of unit selected from among hexafluoropropylene units, perfluoroalkyl vinyl ether units, methylene units, ethylene units and perfluorodioxole units, or is polytetrafluoroethylene; and the rubber layer contains SiO2.