rubber gasket：

Commonly used rubber gasket gasket: rubber flat washers, rubber O-

ring, plastic flat gasket, PTFE gasket package, asbestos rubber 

gasket, metal flat washers, metal washers special-shaped, metal 

foreskin washers, wave washers, washers and other entangled.

(1) rubber flat washers: easy deformation, pressure, but not hard, but 

the pressure, temperature resistance is poor, only for low pressure, 

low temperature. Natural rubber have a certain resistance and alkali 

resistance, using the temperature should not exceed 60 DEG C; 

chloroprene rubber and ability of acid-base, use temperature is 80 DEG 

C; nitrile rubber oil resistant, available to 80 DEG C; fluorine 

rubber resistance corrosion resistance good, high temperature 

performance than general rubber strong, used in 150 DEG C medium.

(2) rubber gasket: cross sectional shape is a circle, the role of 

certain self tight, seal better than flat washers, and pressed a 

smaller force.

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