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Wollastonite

Wollastonite is a naturally occurring calcium silicate mineral formed by the metamorphism of limestone. It is valued for its needle-like particle structure, high purity, and excellent thermal and chemical stability, making it an important functional mineral in many industries.

Sanitaryware

Ceramic

Paint & Coating

Applications

  • Ceramics: Improves strength, thermal shock resistance, and reduces firing shrinkage.
  • Plastics & Rubber: Acts as a reinforcing filler, enhancing mechanical properties and dimensional stability.
  • Paints & Coatings: Improves durability, weather resistance, and reduces cracking.
  • Construction Materials: Used in tiles, boards, and cement to enhance strength and performance.

Key Properties

  • High aspect ratio (needle-like structure)
  • Low moisture absorption
  • Chemically inert and non-toxic
  • High brightness and whiteness
  • Excellent thermal stability and low thermal expansion

Other Uses

Applied in friction products, metallurgy, and as a substitute for asbestos in some applications.

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