1. Molecular formula: al2(so4)3 2. Appearance: dark green powder. It is easy to dissolve in water and to deliquesce, with excellent hygroscopicity 3. Standard: hg2225-2001 4. Tech grade 5. Packing 25kg or 50kg per bag, 25mts per 20'fcl. 6. Usage: used in papermaking, printing and dye, tanning leather, fire-fighting equipment, drug and wood preservation, etc. 7. Specifications: (1)al2o3; 15.8%min; fe: 0.5%max; ph: 3.0min; Water insolubles: 0.05%max Grain size: 15mm max(flakes) (2)specification: al2o3; 17%min; fe: 0.5%max; ph: 3.0min Water insolubles: 0.05%max Grain size: 2---5mm. 8. Cas no.: 1 0043-01-3 9. Hs code: 28332200
