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Sodium Tripolyphosphate : 85%Min

Fluoride (As F) % ≤ 0.005

Arsenic (As) % ≤0.0003

Heavy mental (As Pb) % ≤0.001

Water insoluble % ≤0.1


Name
Sodium Tripolyphosphate(STPP) 96%

Chemical Formula
Na5P3O10

Appearance
White powder or granular

SPECIFICATIONS

Testing Items
Standard

Assay Na5P3O10 % ≥
96.0 Min.

P2 O 5 % ≥
57.0 Min.

Water Insoluble Matter % ≤
0.10 Max.

Iron(Fe) % ≤
0.007Max.

PH value (1% water solution)
9.2-10.0

Whiteness % ≥
90.0 Min.



Name
Sodium Tripolyphosphate(STPP) 94%

Chemical Formula
Na5P3O10

Appearance
White powder OR GRANULAR

SPECIFICATION

Testing Items
Standard

Assay Na5P3O10 % ≥
94.0 Min.

P2 O 5 % ≥
57.0 Min.

Water Insoluble Matter % ≤
0.15 Max.

Iron(Fe) % ≤
0.015Max

PH value (1% water solution)
9.2-10.0

Whiteness % ≥
90 Min.

Phase I
10-30

Density
0.35-0.9




Application:

1) used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, as dispersant of suspension such as paint, magnesium oxide, calcium carbonate drilling mud, and as preservative agent for paper making, organic synthesis catalyzer.
2) used in epuration of petroleum product, gum latex storage, as dispersant, solvent metal industry and pharmaceutical industry.
3) also widely used in gum synthesis, foodstuff industry, and poultry process.

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