Sodium Tripolyphosphate (STPP) is a Apparel product. Key specs — Origin: China.
Product Description
Sodium Tripolyphosphate (STPP) Molecular Formula: Na5P3O10 \Molecular
Weight: 367.86 CAS No: 7758-29-4 Melting Point:622℃ Apearance: White or colorless crystal powder. 1. Sodium Tripolyphosphate(Industrial Grade) 1) Na5P3O10:94.0%Min 2) P2O5:57.0%Min 3) Water Insoluble Matter: 0.15%Max 4) Iron (Fe):0.012%Max 5) PH Value (1% water solution):9.1-10.0 6) Whiteness: 90%Min 7) Ignition Loss: 1.0 8) Density (g/cm3):0.35-0.9 9) Phase I: 10-30 2.Sodium Tripolyphosphate(Food Grade) 1) Na5P3O10:94.0%Min 2) P2O5:57.0%Min 3) Water Insoluble Matter:0.04%Max 4) Iron(Fe):0.006%Max 5) PH Value(1% water solution):9.5-10.0 6)Heavy Metal(as Pb):0.001%Max 7)Arsenic(As):0.0003%Max 8)Fluoride(F):0.003%Max 9) Whiteness:95%Min 10) Density (g/cm3):0.35-0.9 11) Phase I: 10-30 3. Sodium Tripolyphosphate(Ceramics Grade) 1) Na5P3O10:96.52%Min 2) P2O5:57.85%Min 3) Water Insoluble:0.10%Max 4) Fe:0.007%Max 5) PH:9.7
Application: 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 effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.
Packing: 20/25Kg wowen plastic bag,21ton/20’FCL. Storge: Keep in dry and windy conditions. H.S. Code:2835319000
