Aluminium Oxide

Aluminium Oxide

Price : ₹100
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                   Aluminium oxide is a white, odourless, crystalline powder with the chemical formula Al₂O₃. Commonly known as alumina, it is the most frequent of several aluminium oxides and occurs naturally as the mineral corundum—the base for gemstones like rubies and sapphires.

 

Common Applications:

  • Aluminium Production: Over 90% of global production is used to manufacture aluminium metal via the Hall–Héroult process.
  • Abrasives: Used extensively in sandpaper, grinding wheels, and polishing compounds due to its extreme hardness.
  • Medical & Cosmetic: It is bioinert and used in medical implants (artificial joints). In cosmetics, it serves as a filler in sunscreens, lipsticks, and as an abrasive                                         in  toothpaste.
  • Industrial Ceramics: Its high melting point (2,072°C) makes it ideal for refractory materials like furnace linings, spark plug insulators, and high-performance                                           ceramic tiles.
  • Laboratory Uses: Acting as an adsorbent in column chromatography, it is available in acidic, basic, and neutral grades for separating compounds.

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