AL2O3 85%min China Calcined Bauxite Manufacture

 AL2O3 85%min China Calcined Bauxite Manufacture 1. Calcined bauxite  AL2O3:70% min. FE2O3:2% max. SIZE: 1-5MM 90% min. china calcined bauxite manufacturer since 1999  purity of al2o3 75%-90%  rotary kiln calcined bauxite  self-owned bauxite mines Specifications of Calcined bauxite Grade AL2O3 SIO2 FE2O3 TIO2 K2O+Na2O CaO+MgO Bulk density HX75 75min ≤17 ≤3.0 ≤4.0 ≤0.3 ≤0.5 ≥2.70 HX80 80min ≤12 ≤3.0 ≤4.0 ≤0.3 ≤0.5 ≥2.80 HX85 85min ≤8 ≤2 ≤4.0 ≤0.3 ≤0.5 ≥3.00 HX86 86min ≤7 ≤2 ≤4.0 ≤0.3 ≤0.5 ≥3.10 HX87 87min ≤6 ≤2 ≤4.0 ≤0.3 ≤0.5 ≥3.20 HX88 88min ≤5 ≤1.8 ≤4.0 ≤0.25 ≤0.5 ≥3.25 HX90 90min ≤3 ≤1.8 ≤4.0 ≤0.25 ≤0.5  ≥3.3 Moisture(max) 0.50% Size of Calcined bauxite Section sand:0-0.3mm,0-0.5mm,0-1mm,1-3mm,3-5mm,5-8mm. Fine powder:100#-0,200#-0,325#-0 Moh’s hardness: 7-8 Melting point:1770-2000 C Usage of Calcined bauxite.Aluminium industry. 2.Precision casting. 3.Refractory industry. 4.Silicic acid aluminium firefibre 5.Mixed with magnesium oxide,it can be an nice bonding agent,especially for pouring entire steel teeming ladle lining 6.Manufacture bauxite cement,grinding abrasives.ceracmic industry,and chemical industry for making aluminium compounds We can supply series of bauxite, also we can supply goods according to customer's respective requirements !