Wollastonite is a naturally occurring metasilicic acid mineral with the molecular formula CaSiO3 and the structural formula Ca3[Si3O9]. It belongs to the triclinic crystal system and usually appears as needle-like or fibrous aggregates. Its color is white, sometimes with light gray or light red tones. It has a good vitreous luster, and its cleavage surface shows a pearly luster. Hardness: 4.5-5.0, coefficient of expansion: 6.5×10-6 mm/(mm·℃), melting point: 1540℃, density: 2.75-3.10g/cm ³. Wollastonite has low electrical conductivity, good insulation, and very little water solubility and oil absorption. Its solubility in neutral water is only 0.0095g/100ml. The unique needle-like physical structure and stable chemical properties of wollastonite determine that it has excellent high-temperature resistance, wear resistance, corrosion resistance, reinforcing and strengthening functions, and is non-toxic, odorless and non-radioactive. It is widely used in functional coatings, rubber and plastics, friction materials, building materials, papermaking, metallurgy and other fields. Wollastonite fiber is one of the world's outstanding green and environmentally friendly inorganic mineral functional fillers.

Our company's imported airflow ultrafine grinding mill from abroad can process ultrafine products of various non-metallic minerals and meet the demands of users with a mesh size of 600 to 2500. The ultrafine powder produced by our company, with its perfect particle size distribution curve, has won high praise from numerous domestic and foreign customers. The domestic demand and export volume have been increasing year by year.

This product is mainly applied in high-end coatings, high-standard paper, high-molecular engineering plastics, high-end porcelain glazes and other industries. It can replace titanium dioxide, lithopone, zinc oxide, etc., significantly reducing product costs.

The particle size (800 mesh / 15μm to 2500 mesh / 5μm) pass rate is all above 92%.

Our company's imported airflow ultrafine grinding mill from abroad can process ultrafine products of various non-metallic minerals and meet the demands of users with a mesh size of 600 to 2500. The ultrafine powder produced by our company, with its perfect particle size distribution curve, has won high praise from numerous domestic and foreign customers. The domestic demand and export volume have been increasing year by year.

This product is mainly applied in high-end coatings, high-standard paper, high-molecular engineering plastics, high-end porcelain glazes and other industries. It can replace titanium dioxide, lithopone, zinc oxide, etc., significantly reducing product costs.

The particle size (800 mesh / 15μm to 2500 mesh / 5μm) pass rate is all above 92%.

Ultrafine needle-like wollastonite powder is processed by imported equipment and advanced technology. This product, with its ideal length-to-diameter ratio, excellent reinforcing performance and sealing property, can replace short-fiber asbestos, fiber talc, glass fiber, etc., and is widely used in high molecular engineering plastics, special plastic products, as well as in chemical, building materials, friction materials, etc.

In welding rods and fluxes, adding an appropriate amount of wollastonite powder to the coating can significantly improve the physical properties of the slag, such as melting point, viscosity, surface tension, and slag removal. It can also greatly enhance the mechanical properties of welding, stabilizing the arc, reducing spatter, facilitating slag removal, and increasing the melting and deposition coefficients. The effect is remarkable and is being adopted by an increasing number of manufacturers.

In the coatings industry, wollastonite can partially replace expensive titanium dioxide and lithopone due to its high whiteness, low oil absorption rate, and excellent corrosion resistance and anti-aging properties, thereby reducing costs for the coatings industry. Wollastonite has the characteristic of weak alkalinity and is more suitable for use in polyethylene alcohol and acrylic latex paints, especially in primers and sealing primers, where the effect is more ideal.

In ceramic products, wollastonite is used as an aggregate or glaze, which can prevent the body from cracking, deforming, the porcelain surface from cracking, breaking and glaze defects. It is also suitable for low-temperature rapid one-time firing, which can save energy, reduce costs and improve quality.

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Heavy calcium carbonate, also known as heavy calcium carbonate, has the chemical formula CaCO3. In nature, the content of CaCO3 varies, and its color is either pure white or grayish white.

The heavy calcium carbonate series products produced by our company all have a CaCO3 content of over 95%, with a whiteness generally greater than 90%, and the refined whiteness can reach 97%. It is mainly used in industries such as chemical fillers, paints and coatings, plastics and rubber, and papermaking.

Among the casting materials such as continuous casting protective slag in the metallurgical industry, wollastonite, with its stable chemical composition, low impurities and low loss on ignition, has become an unparalleled base material in metallurgical protective materials and has been recognized by many domestic and foreign manufacturers