At present, the application of andalusite in refractory materials is mainly based on the mullitization of andalusite at high temperature. It is mainly reflected in the following aspects: 1. The volume expansion of andalusite in the process of generating mullite at high t

The role of wollastonite in welding rod Wollastonite mainly plays the following roles in the welding rod: Melting and slagging additives: wollastonite can inhibit the discharge during the welding process, reduce splashing, and improve the fluidity of the slag. This can make the weld molding more cle