Wollastonite Powder Raymond Mill Grinder for Sale Raw material: Wollastonite Powder Specifications: 325 mesh, 400 mesh, 600 mesh, 800 mesh, 1250 mesh, 2500 mesh Whiteness: 80-95 Packing: 25 kg or 50 kg/bag Wollastonite is mainly used in ceramics, coatings, plastics, rubber and other industrial sectors.