Available Mesh Sizes: 100/200 Packing: 25/40/50 kg Bags and Jumbo Bags. Specification: Parameters : Raw Kaolin SiO2 :- 2 – 3 % MgO :- 44 - 48 % Al2O3 :- 0.20 % Max Fe2O3 :- 0.25 % Max CaO :- 0.10 % Max LOI :- 45 – 48% Uses: Raw Magnesite used in Ceramic Industries.