Product Main

Specifications

STPP
Appearance; white powder
Model Number: food and industry
Food grade: 96%
Industry grade: 95%, 94%, 90%, 85%

Indexes
Industrial grade
Food grade
Na5P3O10
94.0% min
94.0% min
P2O5
57.0% min
57.0% min
Water Insoluble Matter
0.15% max
0.04% max
Iron (Fe)
0.015% max
0.006% max
PH value (1% water solution)
9.2-10.0
9.5-10.0
Heavy Metal (as Pb)
 
0.001% max
Arsenic (As)
 
0.0003% max
Fluoride (F)
 
0.003% max
Whiteness
92% min
92% min
Ignition loss
1.0
/
Density (g/cm3)
0.35-0.9
0.35-0.9
Phasel
10-30
10-30

 
Properties:
White powder, Melting point 662℃; Easily soluble I water; it has got salient chelating capacity to metal ions of Ca and Mg etc. and can soften hard water to make suspenaion into solution, alkalinity, without causticity.
Application:
1)      Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, as dispersant of suspension such as paint, magnesium oxide, calcium carbonate drilling mud, and as preservative agent for paper making, organic synthesis catalyzer.
2)      Used in epuration of petroleum product, gum latex storage, as dispersant, solvent metal industry and pharmaceutical industry.
3)      Also widely used in gum synthesis, foodstuff industry, and poultry process.
Appearance; white or yellowish fine powder
Application; This product mainly uses in the rubber or the electric cable industry as the active filler, activator (natural rubber),natural rubber and chloroprene rubber vulcanizing agent, also uses in the coating, enamel, zinc pigments.
Packing: 25kg woven bag, 1000kg sack