Wollastonite powder

Coating & paint performance filler Wollastonite powder supplier

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  • Product description: Wollastonite is a calcium metasilicate mineral, its unique chemistry and needle-shaped physical structure make it one of the world’s most versatile and effective value-added performance materials.Wollastonite is suitable for liquid industrial and corrosion resistant coatings, powder coatings and semi-gloss architectural coatings, to get smoother films and improved gloss surfaceKermris is a professional leading wollastonite producer for Paints & coating’s industry. our Paints & coating grade filler Wollastonite production capacity is over 50000 tons each year, welcome to visit our production base for visit.
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Wollastonite is composed of Ca3 [Si3O9]. They are usually lamellar, radial, or fibrous aggregates. 

White microstripe gray. 

Glass luster, cleavage surface pearlluster. 

Hardness is 4.5 ~ 5.0. 

The intersection Angle of the two cleavage planes is 74°. 

Density 2.78~2.91 g/cm3. 

It is mainly produced in the contact metamorphic zone between acidic intrusive rock and limestone, and the main mineral component of skarn. 

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Application:

1. Wollastonite has excellent dielectric properties, so it is widely used in electrical insulation materials. When wollastonite forms non-conductive crystals, it has a very high insulation rate, which is a valuable material in high-quality electrical equipment.

2.In ceramic industry: it can produce glazed tiles, cleaning porcelain, daily-use porcelain, art porcelain, power porcelain, high-frequency low-consumption radio electric porcelain, chemical ceramics, glaze, color, glass, mold, etc.

3. In the paint with wollastonite filler or emulsion, you can get high-quality bright colors of paint, and have the coating and anti-aging properties. White wollastonite is a good raw material for high-quality white paint and soft pastel paint, easy to brush, the surface of a slide, has a high resistance to weathering. It is suitable for the production of high-quality white paint and clear and transparent colored paint. It acts as a flatten agent in coatings. The pigment produced by wollastonite can present pure white or bright bright color, and white paint can maintain a bright color for a long time.



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