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Sodium Tripolyphosphate (STPP) Food Grade
Sodium Tripolyphosphate (STPP) Food Grade 产品详情
产品参数:
Product Name:Sodium Tripolyphosphate(STPP)Food Grade Powder
Chemical Formula:: Na5P3O10 
CAS NO. :7758-29-4 
HS Code: 28353100
National Standard:GB/T 9983-2004
产品说明
Properties : White powder or fine particles, soluble in water, the water solution is alkaline.
Application:Used as the main additive for synthetic detergents, soap synergizers, tanning to tanning agents, soft water agents for industrial water, paints, old soil, magnesium oxide, calcium carbonate drilling mud and other suspension sofones, and paper as an oil-resistant agent.
Package :25 kgs bag,two layer inner bag, outside bag is WPP bag。
TECHNICAL DATA

SODIUM TRIPOLYPHOSPHATE FOOD GRADE
No. Items Specification Result
1 Main Content (Na5P3O10)  w/%       90.0 94.5
2 Whiteness  % 85.0 95.0
3 Phosphates(P2O5)w/% 56.0-58.0 57.0
4 Water Insoluble matter  w/%           0.1 0.1
5 Iron Fe  w/% / 0.01
6 PH(1%) PH Value                                  9.2-10.0 9.8
7 F(mg/kg) Fluoride 50.0 19.0
8 As(mg/kg)Arsenic 3.0 1.4
9 Pb(mg/kg)Lead 4.0 1.8
10 Pb (mg/kg) Heavy Metal 10.0 7.2
11 Apparent density g/cm3   0.3-0.99 0.78
12 Product appearance   White powder or granular