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Sodium Feldspar

The name of “Feldspar” refers to group of Aluminum Silicate of potassium, sodium and calcium. The chief use of Feldspar is in the Ceramic and Glass Industries. Smaller quantities are used in the manufacturing of Tiles, Whiteware, and Sanitaryware. Other uses of Feldspar include Catalysts, Acid resistant and Decorative Stone as a flux or binding agent in certain scanning Soaps and artificial teeth.



  SODIUM-01 SODIUM-02
Silica SiO2 68% (+/- 1%) 70% (+/- 2%)
Alumina Al2O3 18% (+/- 0.5%) 18% (+/- 2%)
Sodium Oxide Na2O 10.00% (+/- 1%) 8% (+/- 1%)
Pottasium Oxide K2O 0.5% (+/- 0.5%) 4% (+/- 1%)
Titanium Oxide TiO2 Nil Nil
Calcium Oxide CaO Nil 0.25% (+/- 0.05%)
Magnesium Oxide MgO Nil 0.25% (+/- 0.05%)
Ferric Oxide Fe2O3 0.06% (+/- 0.05%) 0.1%
Loss on Ignition LOI 0.1% 0.2%

* Above are based on our research as well as research of others. However, this document is not contractual and nothing in it constitutes a warranty (expressed or implied) that the goods described are accurate and fit for a particular purpose of the customer. Purchasers are advised to make their own test to determine the suitability.

Potash feldspar is used in various industries.

Silent Features

In ceramic bodies, the main vitrifying (fluxing) agent is feldspar. The majority of white ware bodies contain good proportions of feldspar. It acts as a flux. In the ceramic industry, the flux is defined as that portion of the body which develops glass phase. This is provided mostly by feldspar. The amount of flux in a ceramic body should be only in such a proportion as to develop the desired amount of vitrification. If excess of flux is added, the fired body becomes very glassy and consequently, brittle.

Applications

The glass and ceramic industries are the major consumers of feldspar and account for 95% of the total consumption.

Feldspar is generally used in making the body composition of several types of procelain, china and earthenware and also in the preparation of glazes and enamel. It is also used as an important ingredient in the glass sand batch. Used as a bonding agent in the manufacture of bonded abrasives like wheels and discs of garnet, corundum, emery etc.

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