K Feldspar - Potassium Feldspar : Chemical Analysis SiO2 : 63 -69 % Al2O3 : 16 -20 % TiO2 : 0.005 -0.01 % K2O : 8.50 13.50 % Na2O : 2.40 3.00 % Fe2O3 : 0.01 0.09 % L.O.I. : 0.06 0.2 % Colour : White & Pink Particle Size : 200 Mesh, 250 Mesh, 325 Mesh & grains ( or as per customers requirements) Packing : Standard 50 Kg. HDPE / PP Bags and Jumbo Bags or as per customers requirements)