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China Clay

China Clay

China Clay is also called "KAOLINE", it is one of the essential Raw material for Ceramic Industries, China Clay does not swell on adding water & Alumina present in Clay do not form Isomorphous series with any other metallic compound.

China Clay is a naturally hydrated Aluminum Silicate.
It is one of the most abundantly available clay in the Earth's crust. A large variety of china clay is mined all over India.

China Clay is the heart of potteries, tiles, ceramics, and many other industries.

Chemical Composition of China Clay Powder

Chemical Formula :  Al2O3 , 2SiO2, 2H2O
Results of Analysis  


Silica  SiO2            49.03
Alumina Al2O3           32.22
Ferric Oxide Fe2O3             0.85
Titanium Oxide TiO2             1.34
Manganese Oxide MnO              Nil
Magnesium oxide MgO            0.65
Calcium Oxide CaO             1.36
Sodium Oxide Na2            0.64
Potassium Oxide K2O            0.34
Loss on ignition LOI           13.55
Physical Properties
Oil absorption  30.70
Acid soluble matter  4.97
PH of 10% solution  8.32
Specific gravity  2.52
Whiteness by reflection compared with MgO taken as 100 %  87.00
Material retained on 300 mesh BS sieve (wet)  1.00
Material retained on 400 mesh BS sieve (wet)  3.2
Bulk density  0.52 gms/ml


Popular for :

  • Longevity
  • Eco-friendly properties
  • Accurate composition
  • High purity
  • Chemical resistance

Applications :

  • Paint
  • Paper
  • Rubber
  • PVC cable
  • Plastics
  • Textiles
  • Linoleum
  • White cement
  • Ultramarine
  • Accumulator cases
  • Soap
  • Cleaners
  • Welding rods
  • Asbestos
  • Dyes
  • Cosmetics, insecticides, dusting and medicinal
  • Lubricants (extrusion)
  • Tiles, tableware, sanitary and electrical porcelain