Mineral filler wollastonite powder supplier

Wollastonite is an excellent extender pigment for powder coatings as well as solvent-based and water-based paints. Wollastonite is composed of Ca3 [Si3O9]. They are usually lamellar, radial, or fibrous aggregates. White micro stripe gray. Glass luster, cleavage surface pearl luster.  Hardness is 4.5 ~ 5.0.  Density 2.78~2.91 g/cm3. Wollastonite is suitable for liquid industrial and corrosion resistant coatings, powder coatings and semi-gloss architectural coatings, to get smoother films and improved gloss surface. Kmeris is a professional leading wollastonite producer for Paints & coatings industry.