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    Potash Feldspar

    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.

    One of the most important materials for medium and high temperature ceramic glazes. Potash feldspars are often not as pure and white as soda spars. A feldspar is typically referred to as 'potash' if there is significantly more potassium than sodium (typically there will be 2-5% Na2O). If the amounts are closer to equal they are termed potash-soda feldspars (or vice versa). Of course, real potash feldspars also have small amounts of CaO, MgO, Fe2O3, etc.

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

    We produce POTASH FELDSPAR (K-SPAR) in forms of :

  • Granular Particles
  • Powder (150-25 microns)
  • Lumps form 1 inches to 15 inches
  • Potash Feldspar SF/01
    Silica SiO2 68% ( + 1% )
    Alumina Al2O3 18% ( + 1% )
    Sodium Oxide Na2O 2% ( + 0.5% )
    Potassium Oxide K2O 11.50% ( + 0.5% )
    Titanium Oxide TiO2 Nil
    Calcium Oxide CaO 0.50%
    Magnesium Oxide MgO Traces
    Ferric Oxide Fe2O3 0.08% ( + 0.05% )
    Loss On Ignition LOI 0.40%

    Standard Packing available in 50 kg HDPE bags and 1 or 1.25 M.T. Jumbo bags with liner inside , or as per customer requirements.