1. Product Description:
STPP is white powder, 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.
2. Product Specification:
|
Na5P3O10
|
96 % Min
|
|
P2O5
|
56.0%-60%
|
|
PH Value
|
9.2-10
|
|
Water Insoluble Matter %
|
0.030 Max
|
|
Heavy Metal(Pb) %
|
0.010 Max
|
|
Chloride(Cl)
|
0.010 Max
|
|
Arsenic(As) %
|
0.0020 Max
|
|
Sulphate(SO4) %
|
0.10 Max
|
|
Phosphate(PO4)
|
Qualified
|
|
Iron(Fe) %
|
0.030 Max
|
|
Density(g/m3)
|
0.8-1.1
|
|
Phase
|
10-30
|
|
Whiteness %
|
100 Max
|
|
(ASTM)Through 200 mesh sieve%
|
75
|
|
Through 100 mesh sieve%
|
90 Min
|
|
Sodium Sulphate
|
2.0 Max
|
3. Product Application:
1). Sodium Tripolyphosphate used as one of the main auxiliaries for synthetic detergent, synergist for soap;
2). water softener, tanning agent for leather making, auxiliary for dyeing;
3). As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.
4). As an oil contamination resistance agent in paper production.
5). In food stuff industry it is used as quality improver in the process of canned food, fruit juice drinks, food stuffs 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 food stuff industry.
4. Product Packing:
25kg/pp bag, 22MT/20'FCL