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PTFE Envelope Gasket by the asbestos, non-asbestos, ceramic fiber, fiberglass, rubber, graphite and other upholstered pieces for the sandwich, a combination of outsourcing PTFE. Good corrosion resistance.
四氟鲍尔环20×20×2
四氟鲍尔环 15mm x 15mm x 2mm
四氟垫
