Origin	China
Brand Name	TianLei

Sodium Tripolyphosphate(STPP)

Specifications

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

Chemical formula:Na5P3O10

Molecular weight:367.86

CAS No:7758-29-4

Properties:

White powder, surface density: 0.35-0.9g/cm3,  melting point:622,

free soluble in water, aqueous solution appears acid. It is a kind of

inorganic surface active agent.

Application:

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 suspensions of coatings,

kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As

an oil contamination resistance agent in paper production. In foodstuff

industry it is used as quality improver in the process of canned food,

fruit juice drinks,foodstuffs 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 foodstuff industry.

Packing:

25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag;

20-24mt/1*20FCL.