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Commodity:Potassium rich FeldsparSpec/analysis; Form: Lump, grains or powderSize: 0-8mm, 20-100mm, 60mesh, 120mesh,200mesh, 325mesh or as requestAppearance: colored white or pinkK2O: 12.0-14.0%Na2O: 2.0-3.0%
Al2O3: 18.0-19.0%
Fe2O3: <0.15%
====================================Potassium rich feldspar is silicate mineral with rich potassium, characterizes low melting point, long melting time interval and thicker melting consistency,little flux rate etc. It can be used widely as pottery material, pottery glaze, abrasives, milling tools and materials,welding rod etc.
325mesh potassium feldspar lump