Dear Sir or Madam, We are Shanghai Sinotact International Trading Co., Ltd, which is one of the leading and exporters of phosphate chemicals in China. We had won good reputation by offering good qualified products and professional services. We are in good position to supply following product: Commodity : Sodium Tripolyphosphate (STPP) Technical Grade Specification : Na5P3010 94% min. P205 57% min. Water insoluble 0.1% max. Fe 0.01% max. Density 0.40-1.0g/cm3 PH 9.2-10.0 Whiteness 90% min. Size (Residue on 1.00mm sieve) 5% max. Packing : In 25/50kg net PP woven bags lined with PE film bag inside. Application : Used mainly as chemical additives for making synthetic. Commodity : Sodium Tripolyphosphate (STPP) Food Grade Specification : Na5P3O10 94% min. P2O5 57% min. Water Insoluble 0.05% max. Fluoride (as F) 0.003% max. Arsenic (As) 0.0003% max. Heavy Metal (as Pb) 0.001% max. Chloride (As Cl) 0.025% max. Sulphate 0.4% max. PH Value 9.5-10.0 Whiteness 85% min. Packing : In 25/50kg net PP woven bags lined with PE film bag inside. Application : Used mainly as quality improvement agent in meat food and meat industries. . If you are interested in our products, please contact us(E-mail: linda_geng(at)yahoo.cn;Msn: gqz1128(at)hotmail.com)immediately. We will offer you with the most competitive prices as well as the best services. Looking forward to your favorite early response. Thanks and best regards, Linda Geng Show More