... ,building etc. WollastoniteWollastonite extensive use in oil paint, plastics, rubber, electric welding, glass, electron industry, ... paint and coating, ceramic, frictional materials, insulator, building materials, composite materials and other fieldsPhysical-chemical index (%):1) nfw-xa: ... continuous casting flux, agglomerated flux, welding electrodesPhysical-chemical index (%):1) nfw-ya: Sio2 Cao Fe2o3 ...