Model Number: GAL-87 Al2O387% Brand Name: GUNAI Key Specifications/Special Features: Refractoriness of calcined bauxite is about 1780°C (3236°F)Raw ore of our calcined bauxite is from Shanxi Province, which is the biggest bauxite producing area in ChinaWe keep the raw bauxite ore in down-draft kiln for more than 72 hoursAl2O3 and body density of our product is higher than average standard, the raw ore we choose has least impuritiesAdvanced technology: using the most advanced crushing equipment, Bamako to break out small particles which can extend the product quality of life GradeAl₂O₃ (%) Fe₂O₃ (%) TiO₂ (%) CaO+MgO (%) K₂O+Na₂O (%) BD (g/cm³) Water absorption Moisture GAL-87 ≥87 ≤1.8 ≤4.0 ≤0.4 ≤0.4 ≥3.3 ≤4 ≤0.2