Sodium Tripolyphosphate (STPP)

Dear Sir/Madam,
We can supply Tech Grade & Food Grade Sodium Tripolyphosphate (STPP). We have exported them for many years.
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 25kgs woven or kraft paper bags with a PE bag inner.
Sodium Tripolyphosphate (STPP) Tech Grade
Specification:
Na5P3O10: 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.
Usage: (1) Chiefly used as a water softener, sequestering agent, and defloculating agent in detergent industry; (2) Also used in ceramic, mine, petroleum and paper manufacturing industries.
Please don抰 hesitate to contact me if you are interested it. Your any inquiry will meet our prompt reply.
Thanks and best wishes.
Yours faithfully,
Daisy
Tianjin Ruister International Trade Co., Ltd.
TEL: 86-022-59811513
FAX: 86-022-59811513