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Automotive paint grade wollastonite powder

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.

Chemical Name :
Wollastonite Powder GHF05
Application :
Suitable for coatings and pigments, electrical insulation materials and ceramic industries.
Product model :
GHF01, GHF02, GHF03, GHF04, GHF05
Appearance :
White powder
brand :
Kmeris

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product introduction

Specification：

Wollastonite is an excellent extender pigment for powder coatings as well as solvent-based and water-based paints.Our such as GHF01, GHF02, GHF03, GHF04, GHF05 are widely used by automotive paint, marine protective paint, industrial solvent & water-based paint, adhessive and so on.

Wollastonite is mainly produced in the contact metamorphic zone between acidic intrusive rock and limestone, and the main mineral component of skarn. Our Paints & coating grade filler Wollastonite production capacity is over 50000 tons each year, welcome to visit our production base for visit.

Project & Standard	Wollastonite Powder
Product Code	GHF05
Appearance Color	White with slight gray and red
Chemical formula	CaSiO₃
Chemical properties	Wollastonite is a calcium metasilicate mineral. Triclinic system, thin plate-like crystals, aggregates are radial or fibrous
Whiteness Y	≥85
D50	≤4.5
D97	≤25
Oil absorption（g/100g）	26-29
Loss on ignition(900℃,2h）	≤5
Water Solubility	Insoluble in water
PH	8-10
Conductivity	≤150μs/cm
Aspect ratio	3:1
Density（g/cm³）	2.9±0.05
Moisture	≤0.5
Storage conditions	Sealed in dry,Room Temperature
Wollastonite Content	100%

Features：

Excellent dielectric properties
High-quality raw materials for coatings
Easy to brush, the surface of a slide, has a high resistance to weathering
Acts as a flatten agent in coatings

Application:

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.
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.
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, It is suitable for the production of high-quality white paint and clear and transparent colored paint. 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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