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By asbestos board, non-asbestos board, rubber or graphite board to enhance the gasket, such as the plate as a sandwich, then outsourcing PTFE sheet. Its excellent corrosion resistance and good compression spring rate, are widely used in all kinds of strong acid, strong alkali, strong oxidizing agents, chlorine and does not allow pollution medium sealing.

1.Type A, cutting type, four fluorine piece cut for low pressure from outside to inside, affordable.

2.Type B, machining (square), composed of four fluorine plate mechanical cutting, for medium and high pressure

3.Type C, Fold the bag type, took four fluorine serging heated glue.