Factory direct white fused alumina sand 2-5mm Factory direct white fused alumina sand 2-5mm is made by Aluminium Oxide powder which is electrically fused at high temperature. Our Factory direct white fused alumina sand 2-5mm has the features of stable quality, well-distributed particle size composition, low magnetic substance content, high bulk density and hardness, good toughness, and high cleanliness, etc. It has been exported to more than 20 countries in Europe, America, Southeast Asia, etc.