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Sodium Tripolyphosphate(STPP),sodium Tripolyphosphate,detergent raw material
Sodium Tripolyphosphate(STPP),sodium Tripolyphosphate,detergent raw material
Supplier Info
[China Supplier]
Contact Person : Ms. Zheng Eva
Tel : 86-551-5544146
Fax : 86-551-5544146
Product Detail
Sodium Tripolyphosphate(STPP),sodium Tripolyphosphate,detergent raw material

Basic Information

Molecular formula:Na5P3O10 

Molecular weight  367.86

CAS number      7758-29-4

Properties

White powder,melting point 622,Easily soluble in water;it has got salient chelating capacity to irons of ca and mg etc.and can soften hard water to make suspension solution become into clear solution;it has got weak alkalinity but no corrosiveness.It is s surfactant,and has got outstanding emulsification to lubricants and fat.It has different bulk density.This product has two crystalline forms,namely type ithermostalility,hygroscopicity,solubility and hydration heat when dissolving.

Uses

Used as one of the main auxiliaries for synthetic detergent,synergist for soap,water softeren,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.In foodstuff industry it is used as quality improver and softener or densifier.

Packing and storage

In 25kg,50kg,1000kg bag store at a cool,dry and well ventilated place

Technical Specifications

NO

SPECIFICATION 

INDUSTRIAL GRADE

1

AssayNa5p3o10%≥ 

94.0

2

P2O5%≥ 

57.0

3

Water Insoluble Matter% ≤

0.1

4

Iron(Fe)%≤

0.01

5

PH Valve(1%water solution)

9.2-10.0

6

Heavy Metal(as PB)%≤

7

Arsenic(As)%≤

8

Fluoride(F)%≤

9

Whiteness%≥ 

90

Production control method by computer or manual work on site

Process feature

Global leading technology

Advanced spray drying technology

Process maturity

Equipment reliable/failure rate below 5%

Domestic haven’t slurry filter/homogeneous equipment

System stability

Whole technology process can use computer control

Manual/PC control

Zero waste water discharge/exhaust emission reach standard

SHE reach government’s requirement

System main production equipment description

Solid materials pneumatic send tank/silo/weighing tank/ingredients tank/aging tank/ pipeline type filter/low pressure convey pump/homogeneous pump/high pressure convey pump/spray dry tower/pneumatic lifter/vibrating screen/base powder weight/accessories weight/mixing belt conveyor/post-blending mixer/packing machine of FP/convey line of FP

Main process parameter description

Capacity  3000~250000t/y

FP BD  0.25~0.40g/cm3

FP moisture  3~6%

FP whiteness ≥92%

Actives 10~24%

Sodium Tripolyphosphate(STPP),sodium Tripolyphosphate,detergent raw material

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