Diaspore Grade Diaspore fines-150 mesh Calcined Diaspore Lumps D-1 Raw Diaspore Lumps D-4 Raw Diaspore Fines D-4-150 mesh LOI 5-7% 2% 5-7% 5-7% Al2O3 55-60 58-60 50 50-54 SiO2 35-38 35-38 35-38 35-38 Fe2O3 2 2 4-5% 4-5% TiO2+MgO+CaO tr tr tr tr Phase Mullite and Corundum Mullite and Corundum Corundum Corundum Application Refractories and ceramics Refractories and ceramics Refractories and ceramics Refractories and ceramics
