Compared with traditional calcium carbonate filling materials, the unique acicular crystal structure of this wollastonite powder can form a three-dimensional support network in the coating film, effectively improving the impact strength and wear resistance of the coating. Its high whiteness and low oil absorption can optimize the hiding power and gloss of the coating, while reducing the overall production cost of the coating. Free of heavy metals and other harmful substances, it meets EU REACH environmental protection standards, solving the industry pain points of poor weather resistance and high cost of traditional filling materials, helping coating enterprises achieve environmentally friendly and low-cost production.
With acicular crystal structure, the minimum purity is 92.5%, whiteness ≥90%, particle size D90 ≤0.015 Millimeters, oil absorption of 28g/100g, pH value 8.5-9.5, loss on ignition ≤0.5%, moisture content ≤0.2%, heavy metal content ≤10ppm, suitable for water-based, oil-based and powder coating formulas. The product is packaged in 1-ton ton bags or 25kg paper bags, meeting the international transportation and packaging standards for industrial raw materials.
It is mainly used in exterior wall latex paint, industrial anti-corrosion coatings, wood furniture coatings, powder coatings and other fields. It can be used as a functional filler to replace 20%-30% of titanium dioxide, improving the storage stability of coatings, improving the anti-chalking and ultraviolet aging resistance of the coating film, while reducing the overall production cost of coatings, adapting to the formula needs of various coating manufacturers at home and abroad.
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