Brown Fused Alumina Oxide is fused in the electric-arc furnace under the high temperature of above 2250°C with high quality bauxite as raw material and matched by the carbon material and scrap iron .The degree of refractory is more than 1850°C. Brown corundum for Abrasive Sandblasting Precision casting advantages: 1) Very low amount of iron oxide, suitable for non-ferrous blasting operations. 2) Sandblasting in the non-iron process. 3) High speed processing. 4) Not affecting the color of the processing cases. 5) Easy to shell 6) The high grinding ability Brown fused alumina for refractory material advantages: 1) High quality bauxite as raw material 2) Refractory temperature is more than 1900°C 3) High hardness, good toughness 4) Very low amount of iron oxide Packing:1 MT big bag or 25kg paper bag *40 bags on one pallet ; As per customers requirement FAQ : Q1. Will the FREE SAMPLES be provided for buyers? - YES. We will provided FREE SAMPLE about 1kg Q2. How about the express fee? - Our companys policy is the buyer pay for express fee. Q3. Is there QUALITY REPORT for the products? - YES. We provide quality report of our company or CIQ,SGS according to clients requirement