Two corundum / emery cheap shelf

Two corundum / emery cheap shelf chemical ingredient (%) Al2O3 70-80% Fe2O3 8-15% SiO2 12-15% TiO2 3-5% physical characteristics of bulk density: 1.60-1.99g / cm3 proportion : 3.60-3.80g / cm3 Mohs hardness: 8-9 produce size: 0-1mm 1-3mm 3-5mm 5-8mm 12 # 14 # 16 # 20 # 22 # 24 # 30 # 36 # 40 # 46 # 54 # 60 # 70 # 80 # 90 # 100 # 120 # 150 # 180 # 220 # Purpose: refractories, ramming miscellaneous materials, coatings, charge, outlet material, sand blasting, water jet cutting, grinding, surface treatment, surface except rust, polishing, etc.