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Model No.: STPP
Type: Sodium Tripolyphosphate
Grade Standard: Industrial Grade
Grade: Industrial Grade,Food Grade
Molecular Formula: Na5P3O10
Other Name:: STPP
CAS No.:: 7758-29-4
Appearance: White Crystal Powder, White Powder
Package: 25kg/pp Bag Or As Customers' Requests
Delivery Time: 15 Days Since Receipt The Deposit
Packaging: 25kg bag, 50kg bag, ton bag or according customer's requirement.
Place of Origin: Henan
Supply Ability: 5000MT Per Month
HS Code: 2835319000
Sodium Tripolyphosphate STPP For Detergent
white powder; melting point 622'C; easily soluble in water; it 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. It has different bulk density, i.e. low density 0.35-0.5g/cm3, medium density 0.51-0.65g/cm3 and high density 0.66-0.9g/cm3. This product has two crystalline forms, namely Type I (high temperature type) and Type II (low temperature type). The chemical properties of the two types are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving .Except Sodium Tripolyphosphate,we can also supply Sodium Hexametaphosphate,Oxalic Acid,Polyacrylamide, Aluminium Sulfate,Poly Aluminium Chloride etc.
Assay Na5P3O10 % ≥
P2 O 5 % ≥
Water Insoluble Matter % ≤
Iron(Fe) % ≤
PH value (1% water solution)
2 - 3 %
1) as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener;
2)Tanning agent for leather making, auxiliary for dyeing;
3)As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc;
4) For ceramics manufacture.
5)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.
50kg or 25Kg plastic woven bag net weight.