Feldspar

Feldspar is the single most abundant mineral group on Earth. Feldspars are relatively hard at 6 on Mohs' hardness scale and is generally light-coloured, including white, pink, tan, green, or gray. The colour varies due to impurities within the crystal structure. In ceramic bodies, the main vitrifying (fluxing) agent is feldspar. The flux can be defined as that portion of the body which develops glass phase. This is provided mostly by feldspar.

Rajasthan, in India is one of the major producer of mineral Feldspar and different varieties of this mineral are found in almost all the districts of the State.
We mainly deal in two types of Feldspar:

  • Potash Feldspar
  • Soda Feldspar

Potash Feldspar

We supply Potash Feldspar in forms of : -

  • Granular Particles( different size)
  • Powder (150-25 microns)
  • Lumps form 1 inches to 15 inches

Following is the Chemical Specification of Potash Feldspar supplied by us :-

SiO2 - 65%68
Al2O3 - 18% 
Na2O - 2-3%
K2O - 8-11.50%
TiO2 - Nil
CaO - 0.50%
MgO - Traces
Fe2O3 - 0.08%
LOI - 0.40%


Sodium Feldspar

We supply Sodium Feldspar in forms of: -

  • Granular Particles( different size)
  • Powder (150-25 microns)
  • Lumps form 1 inches to 15 inches

Following is the Chemical Specification of Sodium Feldspar supplied by us :-

SiO2 - 68%
Al2O3 - 18%
Na2O - 8-10%
K2O - 1.50%
TiO2 - Nil
CaO - 0.50%
MgO - Traces
Fe2O3 - 0.08%
LOI - 0.40%

Applications

Feldspar is generally used in Ceramics, Glass, and Electrodes. The glass and ceramic industries are the major consumers of feldspar and account for 95% of the total consumption.

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