1.reprocess the metal gasket to be wave-shaped (mechanical punching)
2. suitable materials: 
soft steel, stainless steel, galvanizaiton steel plate, chrome steel plate, copper, brass copper, Monel alloy.

3.thickness:0.3~3mm, the distance between wave peaks: 2.0—6.5mm

4. application:
the preloaded pressure and soft asbestos rubber plates are mainly used in the sealing position of valve cover of brake valve, stop valve, and check valve, etc.

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