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Wollastonite powder is an inorganic functional mineral powder with calcium metasilicate (CaSiO₃) as the main component, processed from natural wollastonite ore. As a high-cost-performance reinforcing filler widely used in construction, coatings, plastics, and rubber industries, it has core advantages such as environmental protection, weather resistance, acid and alkali resistance, and reinforcement. Main types include: common wollastonite powder, surface-modified wollastonite powder, and needle-like high-strength wollastonite powder.
Purified and processed from natural wollastonite ore through crushing, grinding, drying, and screening. It retains natural needle-like structure, low cost, suitable for general scenarios with high cost-performance requirements.
Adopting precise processes such as impurity removal, jet milling, surface activation, and coupling modification. Raw materials can utilize ore sorting tailings to realize resource recycling, in line with green production trends. Modified products have high purity (CaSiO₃ content up to 95%+), uniform particle size, complete needle-like structure, and stable performance, meeting the stringent requirements of high-end coatings, engineering plastics, and food-contact materials.
Free of heavy metals and harmful substances, complies with EU REACH, RoHS and Chinese national standards. Non-radioactive, non-polluting, suitable for food packaging, children’s products, indoor building materials and home decoration.
Excellent UV resistance and aging resistance. No fading, chalking or embrittlement after long-term outdoor use, stable in high temperature, humidity and rainy environments, making it a “long-life filler” for building exterior and outdoor facilities.
Outstanding alkali resistance, perfectly compatible with cement and lime systems; stable to weak acids and industrial chemical corrosion, no deterioration, making it the first choice for anti-corrosion coatings and engineering materials.
Natural needle-like structure significantly improves hardness, toughness and dimensional stability; good hiding power, small dosage can achieve full effect, reduce material cost and maximize cost-performance.
Fine and uniform powder, easy to disperse in water-based and solvent-based systems, no agglomeration. Suitable for coatings, concrete, plastics, rubber and ceramics, simple processing and construction.
Formal manufacturers adopt ISO 9001 quality management system, ensuring consistent fineness, purity and performance in each batch, avoiding production and construction losses.
Ceramic tiles, cement, mortar, putty: improve strength, whiteness and crack resistance;Interior and exterior wall coatings: weather-resistant, anti-aging, good fullness;Road and infrastructure: enhance durability and wear resistance
Plastic pipes, profiles, cables, shoe soles: improve rigidity, heat resistance and dimensional stability, reduce cost while enhancing performance, meeting environmental protection standards.
Automotive coatings, anti-corrosion coatings: improve adhesion and weather resistance;Ships, bridges, steel structures: enhance anti-corrosion performance and extend service life.
CaSiO₃ content ≥90% (high-quality ≥95%), ensuring reinforcement and weather resistance.
Moisture ≤1%, water-soluble matter ≤0.5%, avoiding agglomeration and affecting stability.
Whiteness ≥85%, 325-mesh sieve residue ≤0.5%, ensuring dispersion and application effect.
Request free samples and test in actual coatings, plastic or mortar system to observe dispersion, color uniformity and reinforcement effect. For outdoor products, conduct weathering test to confirm no performance attenuation.
Confirm supply capacity: support large-volume orders, regular delivery within 30 days, support 20kg/25kg customized packaging.After-sales support: provide dosage ratio, formula guidance and technical service; accept returns for quality problems.Platform selection: choose “Reputable Merchants” with in-depth factory verification, on-time delivery rate ≥95%, response time ≤3 hours.
