Aluminium Silicate Powder

Aluminium Silicate Powder

Price : ₹100
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                     Aluminium silicate powder is a versatile mineral compound used primarily as an industrial filler and pigment extender in products like paintsceramicsrubber, and paper. Often referred to as Kaolin or China Clay, it is prized for its high-temperature resistance, chemical stability, and ability to improve product opacity and durability.

 

Industrial Applications:

Aluminium silicate is used across diverse sectors due to its functional properties: 

  • Paints & Coatings: Acts as a titanium dioxide (TiO₂) replacement, saving costs while maintaining opacity and brightness. It improves the finish of wood primers and prevents pigment settling.
  • Ceramics & Porcelain: Serves as a binder and filler, enhancing the strength and whiteness of porcelain and fine china.
  • Rubber & Plastics: Used as a reinforcing filler to increase tensile strength, stiffness, and resistance to wear and tear.
  • Paper Production: Improves surface smoothness and printability by acting as a coating agent.
  • Cosmetics & Pharmaceuticals: Functions as a natural absorbent in face masks and scrubs. In pharmaceuticals, it is an excipient that helps in the compression and binding of tablets.

Physical and Chemical Properties:

According to technical datasheets from Avani Group of Industries and Sigma-Aldrich:

  • Appearance: A soft, fine, white to off-white odorless powder.
  • Chemical Formula: Commonly represented as Al₂SiO₅ or Al₂O₅Si.
  • Solubility: Generally insoluble in water and acids.
  • Thermal Stability: Highly heat-resistant (refractory), with melting points often exceeding 1,475°C.
  • pH Level: Typically ranges from a neutral 5.0 to 7.0, though some technical grades may reach 10.0.

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