We are Qinhuangdao Hongnai Chemical co., Ltd based in Qinhuangdao , China. We are member of Tradekey.com since August, 2009. Our business is related to Chemicals industry and we specifically deal in sodium hydroxide ,carbon black,titanium dioxide. Please find our product details below: sodium tripolyphosphate(STPP) Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry. oxalic acid Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc; Precipitating agent in Rare-earth mineral processing; Bleaching agent in the textile activities, wood pulp bleaching; Rust-remover for Metal treatment; Grinding agent, such as Marble polishing; Waste water treatment, removing calcium from water. carbon black Appearance: Black Powder or Granular Applications:Rubber Industry, such as Tyres, Cable, Tape, etc. zinc oxide Appearamce: white powder, innocuous, odorless, stable under normal temperature.soluble in acid, alkali and ammonium chloride solution, insoluble in water and alcohol. Applications Rubber Industry, Paints Industry, Ceramics Industry, floor tile, glass, feed additive, etc. Packing: 25 kgs in net bag, 24 mts in the 20&＃039;FCL Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.