Size 0 - 10mm Specifications: Fe2O3.....0,39% Al2O3.....15,26% CaO.........0,13% MgO........0,05% MnO2......Less than 0,01% Cr2O3......0,01% Na2O.......0,44% K2O.........0,16% SiO2........79,12% TiO2........0,79% LOI..........3,40% Moisture Content.....0,37%AR SO3.........0,31%