What is Potash Feldspar? Potassium feldspar is a group of minerals which contain potassium and belong to the feldspar group. It is either colorless or very light in color. K-feldspar is another name for it. Furthermore, potassium feldspar is divided into two types: microcline and orthoclase. What are the specifications of Potash Feldspar? Specifications of Potash Feldspar Powder Chemical Analysis Percentage Physical Properties Test Result SiO 65.5 ±1.5% Physical Appearance White/Pinkish White Al O 18.5 ±1% Impurity Invisible Fe O 0.05 (Max) Density 1.80 gm/cc Na2O 2.8 ±0.07% Viscosity 22 Sec K2O 11.5 ±1.3% Lightness (L) 88.86 % LOI 8.04% Moisture 2% Specifications of Potash Feldspar Chips Chemical Analysis Percentage Physical Properties Test Result SiO 67.42 Physical Appearance White Chips /Pinkish Chips AlO 18.05 Impurity Invisible FeO 0.081 Size 0-5mm Na2O 2.25 Viscosity 15.02 Sec K2O 11.12 Lightness (L) 81.72 % How is it used in the ceramic industry? Potash feldspars are more commonly used in ceramics, matte glazes, and they can create a crystallographic structure which helps them to be bright. Itâ??s also one of the most vital elements in ceramic glazes for medium and high temperatures. Potash feldspar can be used in industry to make it harder to disable the material surface. What are the other uses? In the paint, plastic, rubber, and adhesive industries, potash feldspar is used as a fluxing agent. Itâ??s also used as a concrete mixture. Enamel, scouring powder, and glass are all made with it. Potassium feldspar comes in a variety of colors and has the same economic value as a gold ring. Potash feldspars are significant as stone elements; they are found in alkali and acidic igneous rocks, especially syenites, stones, pegmatites, and gneisses in large quantities