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  • Sodium Tripolyphosphate (STPP)
  • Sodium Tripolyphosphate (STPP)
  • Sodium Tripolyphosphate (STPP)
  • Sodium Tripolyphosphate (STPP)
Sodium Tripolyphosphate (STPP)
Name : Sodium Tripolyphosphate (STPP)
MF: Na5P3O10
CAS NO.: 7758-29-4
Appearance(25℃): white powder
Minimum Order Quantity: 1 MT
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OverviewTechnical Data Inquiry

【Performance and Application】
STPP has got salient chelating capacity to ions of Ca and Mg etc. and can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. It is a surfactant, and has got outstanding emulsification to lubricants and fat.

As one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. 

In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.

【Package】

25/50/1000KGS plastic woven bag with linner or as per customers’ required.

【Storage】
Store at a cool, dry and well ventilated place. The package must be moistureproof and well sealed, handle with care. During transportation, please avoid rains and strong sunshine. In case of fire, please use water,sandy soil or all kinds of fire extinguishers to quench it.
【Technical Data】
Iterm Technical Food
Assay Na5P3O10 % ≥ 94.0 95.0
P2O5 % ≥ 57.0 57.0
Water Insoluble Matter % ≤ 0.15 0.05
Iron (Fe) % ≤ 0.015 0.015
pH value (1% water solution) 9.2-10.0 9.4-10.0
Heavy Metal (as Pb) % ≤ - 0.001
Arsenic (As) % ≤ - 0.0003
Fluoride (F) % ≤ - 0.003
Chloride (Cl) % ≤ - 0.025
Sulphate (SO4) % ≤ - 0.4
Whiteness % ≥ 90.0 90.0
Density (g/cm3) 0.35-0.95 0.55-0.90
Phase I 10-30 10-30

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