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Sodium Tripolyphosphate-STPP high quality
  • Sodium Tripolyphosphate-STPP high quality

Sodium Tripolyphosphate-STPP high quality

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Sodium Tripolyphosphate-STPP

1.Formula: Sodium Tripolyphosphate(STPP)
Molecular formula: Na5P3O10
Standard executed: GB/T9983-2004(technical grade) QB1034-91(food grade)
CAS Number: 7758-29-4HS Code: 2835310000

5.Properties:White powder; Melting point 622ºC; Easily soluble in water; It has got salient chelating capacity to ions of Ca and Mg etc.

6.Uses:Used 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 suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.

7.Packing: 25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20-25mt/20 feet container

No. Index Technical Grade
01 Assay Na5P3O10 94.0
02 P2 O 5 57.0
03 Water Insoluble Matter ≤ 0.15
04 Iron(Fe) ≤ 0.015
05 PH value (1% water solution) 9.2-10.0
06 Whiteness % ≥ 90
07 density (g/cm 3 ) 0.70-0.90
08 Phase I 10-30
09 Particle Size(1.00mm) % ≥ 95
10 Appearance White powder
Information is up-to-date: 07.03.2018

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