STPP
1.Product Name: Sodium Tripolyphosphate
2.Chemical Formula: Na5P3O10
3.Appearance: White powder
2.Chemical Formula: Na5P3O10
3.Appearance: White powder
4.Specifications:
No | Specification | Industrial grade | Food grade |
1 | Main content %≥ | 94.0 | 94.0 |
2 | P2O5 %≥ | 57.0 | 57.0 |
3 | Water insoluble %≤ | 0.1 | 0.05 |
4 | Iron, as Fe %≤ | 0.015 | 0.01 |
5 | pH of 1% water solution | 9.2-10.0 | 9.5-10.0 |
6 | Heavy metal, as Pb %≤ | - | 0.001 |
7 | Arsenic, as As %≤ | - | 0.0003 |
8 | Fluoride ,as F %≤ | - | 0.003 |
9 | Chloride, as Cl %≤ | - | 0.025 |
Packing: In 25 kg P P bag
Application: Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process
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