产品描述 Product Description 聚四氟乙烯夹包垫片，是一种非石棉由包覆层及嵌入物两部分组成。广泛用于强酸，强碱，强氧化等介质的密封。

Polytetrafluoroethylene (PTFE) sandwich gasket is a non-asbestos gasket consisting ofa cladding layer and an insert. It is widely used in sealing of strong acid, strong alkali,strong oxidation and other media.