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Potash Feldspar

Potash Feldspar


Feldspar is by far the most abundant group of minerals in the earth’s crust, forming about 60% of terrestrial rocks. Most deposits offer sodium feldspar as well as potassium feldspar and mixed feldspars. Feldspars are primarily used in industrial applications for their alumina and alkali content. The term feldspar encompasses a whole range of materials.



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Super Grade

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  • Mesh Size : 200/300/325
  • Al2o3 : 16% – 18%
  • Na2o : 2.5% – 3%
  • Sio2 : 64% – 66%
  • Fe2o3 : 0.02% – 0.06%
  • CaO : 0.30% – 0.50%
  • Lol : < 1%
  • K2o : 11%

A Grade

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  • Mesh Size : 200/300/325
  • Al2o3 : 16% – 18%
  • Na2o : 3% – 4%
  • Sio2 : 66% – 68%
  • Fe2o3 : 0.05% – 0.09%
  • CaO : 0.30% – 0.50%
  • Lol : < 1%
  • K2o : 9% – 10%

Applications/Uses

  • TV Tubes
  • Insulators
  • Glass(Bottling Plant)
  • Television Picture Tube
  • Float Glass

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