Sodium Tripoly Phosphate ( Technical Grade) Specification: Na5P3010 ( main content) 94% MIN P205 57% MIN Whiteness 85% MIN Water insoluble 0.1% MAX PH Value 9.2-10.0 Density 0.6-0.8g/ cm3 Packing: In 25kg net bags packing. Techinal grade is mainly used in china, scour, petroleum, metallurgy, mining, water treatment, printing and dyeing industry and so on.Food grade complex plastic interweaved sack outside with double-layer polyethylene-film sack inside, net weight 25kg; or based on the demand of user.