normal powder, super fine powder, high BD granular or low BD granular
Technical Grade
Food Grade
Purity(Na5P3O10)
94%min
94%min
P2O5
57%min
57%min
Fluoride(F)
0.003%max
Arsenic(As)
0.0003%max
Heavy Matal(as Pb)
0.001%max
Chloride(CI)
0.025%max
Sulphate(SO4)
0.4%max
Iron(Fe)
0.05%max
Inssoluble in water
01%max
0.05%max
PH(1% solution)
9.2-10.0
9.2-10.0
Phases I content
5%-45% at request
5%-45% at request
Loss of weight upon
heating at 140 ℃
0.18%max
0.18%max
Bulk desity(g/cc)
0.4-1.0at request
0.5-1.0 at request
Packing
In P.P. bags of 25kg net each
Packing: IN P.P. WOVEN BAG WITH 1-PLY PLASTIC FILM BAG INNER OF 25KGS NET EACH
Physical and chemical: white power, melting point is 620 ℃ . Solubility in water ( 20% at 25 ℃ ).
PH=9.7 - 9.8 (1% soln).
A pplication ： The alkaline phosphates offer detergency activity in combination with the properties of sequestration, dispersion and buffering ability. STPP is used in water softening, industrial cleaners, food uses, detergent, emulsifier of oil and grease, peptizing agent, deflocculating agent in oil well, sequester in cotton boiling.
