Asbestos sealing material is more resistant to high temperature than non asbestos sealing material. The main components of asbestos sealing materials are asbestos, filler and rubber, of which asbestos and filler have high temperature resistance;

The main components of most asbestos free sealing materials are mineral fiber, organic fiber, filler and rubber, of which the temperature resistance of organic fiber is generally about 200 ℃.

Asbestos free gasket or non asbestos gasket generally mentioned in European and American countries refer to gaskets that are 100% asbestos free.

It should be said that it can be translated into Chinese as "asbestos free gasket" or "non asbestos gasket". However, some companies in the Chinese market call gaskets containing a certain amount of asbestos (5-20%) as non asbestos gaskets,

And 100% asbestos free gaskets are called asbestos free gaskets.