Commercial Bridge Industry Limited

zz, China

We are offering STPP (Sodium triphosphate STP, sometimes sodium tripolyphosphate or TPP Sodium Tripolyphosphate) H. S. Code: 2835 3100 Chemical formula: Na5P3O10 Molecular weight: 367.86 CAS No. 7758-29-4 Quality: White powder, surface density 0.35-0.9g/cm3, melting point 622. Dissolve in water easily, the aqueous solution is alkalinity. A kind of inorgantic chemical surface-active agent, with two kinds of forms: Na5P3O10-I and Na5P3O10(B). Two forms have the same chemical property. Usage: As chemical additives for making synthetic detergents; Synergist for soaps; Soft-water agent for industrial water; Textile dyeing auxiliaries; And prevent greasy dirt in papermaking industry. Packing and storage: In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags. It must be prevented from Dampness and water. Don't store it in the open air. Guaranteed Technical Specifications (GB9983-88): Indexes Industrial Grade Food Grade Assay Na5P3O10 % 94.0 94.0 P2O5 % 57.0 57.0 Water Insoluble Matter % 0.15 0.05 Iron(Fe) % 0.01 0.01 PH value (1% water solution) 9.2-10.0 9.5-10.0 Heavy Metal (as Pb) % 0.001 Arsenic (As) % 0.0003 Fluoride (F) % 0.003 Particle Size Through 16 mesh sieve % Through 35 mesh sieve % Trough 100 mesh sieve % 95 90 40 95 90 40 Whiteness % 90 90