STPP
Introduction of products:
|
No.
|
Index
|
Industrial Grade
|
Food Grade
|
|
01
|
Assay Na5P3O10 % ≥
|
94.0-96.0
|
94.0-95.0
|
|
02
|
P2 O 5 % ≥
|
57.0
|
57.0
|
|
03
|
Water Insoluble Matter % ≤
|
0.15
|
0.05
|
|
04
|
Iron(Fe) % ≤
|
0.015
|
0.015
|
|
05
|
PH value (1% water solution)
|
9.2-10.0
|
9.5-10.0
|
|
06
|
Heavy Metal (as Pb) % ≤
|
|
0.001
|
|
07
|
Arsenic (As) % ≤
|
|
0.0003
|
|
08
|
Fluoride (F) % ≤
|
|
0.003
|
|
09
|
Chloride(Cl) % ≤
|
|
0.025
|
|
10
|
Sulphate(SO4)% ≤
|
|
0.4
|
|
11
|
Whiteness % ≥
|
90
|
90
|
|
12
|
Ignition loss
|
1.0
|
|
|
13
|
density (g/cm3)
|
0.35-0.9
|
0.35-0.9
|
|
14
|
Phase I
|
10-30
|
10-30
|
|
15
|
Particle Size(1.00mm) % ≥
|
95
|
95
|
Package:25kg or 50Kg/woven bag
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, kaolin, 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 in metal industry and pharmaceutical industry;
3. Also widely used in gum synthesis, foodstuff industry, and poultry process