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Classification of rubber washers

Update:12-01-2019
Summary:

Formally speaking, commonly used rubber gaskets include […]

Formally speaking, commonly used rubber gaskets include: rubber flat washers, rubber O-rings, plastic flat washers, Teflon gaskets, asbestos rubber washers, metal flat washers, metal profile washers, metal sheath washers, wave washers, Winding washers, etc.
(1) Rubber flat washer: easy to deform, no effort when pressing, but poor pressure and temperature resistance, only used in places with low pressure and low temperature. Natural rubber has certain acid and alkali resistance, the use temperature should not exceed 60 °C; neoprene can also resist certain acids and alkalis, use temperature 80 ° C; nitrile rubber oil resistant, can be used up to 80 ° C; fluororubber corrosion resistance is very good, resistant The temperature performance is also stronger than normal rubber and can be used in 150 ° C medium.
(2) Rubber sealing washer: The cross-sectional shape is a perfect circle, which has a certain self-tightening effect, and the sealing effect is better than that of the flat washer, and the pressing force is smaller.

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