phosphate rock,phosphate sand and phosphate powder Molecular Formula:Ca10(PO4)6F2 (A) phosphate powder phosphorite from china P205 :28% to 39.90% min order : 5000MT Moisture:2.00 (max) % W/W Total Phosphate (P2O5):32.95 (min)% W/W. Calcium Oxide (CaO): 48-52% W/W Silica (SiO2):2.5-5% W/W Sulphate (SO3): 0.7-1.90% W/W Carbon Dioxide (CO2): 5 (MAX) % W/W Fluorine (F): 4 (max) % W/W Iron (Fe2O3): 1 (max) % W/W Iron and Aluminium (R2O3): 2 (max) % W/W Water Soluble (CL): 0.04 (max) % W/W Sodium Oxide (Na2O): 0.2-0.8 % W/W Potassium Oxide (K2O): 0.1-0.3 % W/W Magnesium Oxide (MgO):0.5 (max) % W/W Organic Matter with Crystalline Water: 2.4 (max) % W/W BPL: 72% Min PHISICAL INGREDIENTS: (1) Fluidity: Free Flowing (2) Particle size distribution: (a) +4 Mesh (4.75 mm): 0- 2 % W/W (b) -4 + 100 Mesh (4.45mm- 0.15mm): 65- 80 % W/W (c) -l00+200 Mesh (0.15mm- 0.075mm): 15- 25 % W/W (d) -200+270 Mesh (0.075mm- 0.053mm): 1- 3 % W/W (e) -270 Mesh (0.053mm): 2-3 % W/W B) phosphate sand Grade A:36.5% P2O5(MIN),0.6% MgO(max),1.9% R2O3(max),2.0% H2O(max) Grade B:34.1% P2O5(MIN),0.9% MgO(max),2.4% R2O3(max),2.0% H2O(max) Grade C:32.2% P2O5(MIN),1.4% MgO(max),2.4% R2O3(max),2.0% H2O(max) Grade D:30.5% P2O5(MIN),1.4% MgO(max),2.4% R2O3(max),2.0% H2O(max) Grade E:28.2% P2O5(MIN),1.8% MgO(max),3.0% R2O3(max),2.5% H2O(max) (C) phosphate rock For more information, pls search us by google's key of China Yangtze Pchem or you can contact me by email of pchemchina (at) 163 dot com.