Tianjin Jingxiangtai Imports & Exports Trade Limited Company
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  • Contact Person : Mr. Cao Richard
  • Company Name : Tianjin Jingxiangtai Imports & Exports Trade Limited Company
  • Tel : 86-22-87205539
  • Fax : 86-22-87205535
  • Address : Tianjin,Tianjin,Donglantuo Village,Wangwenzhang Town,Xiqing District
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  • Zip : 300383

Stpp ceramic grade

Stpp ceramic grade
Product Detailed
STPP ceramic grade 1)Purity:94%,95%. 2)Form:White power or granular 3)H.S Code:2835319000. 4)Package:25kgs/bag

Sodium Tripolyphosphate (STPP) 95% Min for Ceramic Grade

1.Chemical and Physical Properties:

Molecular Formula: Na5P3O10

Molecular Weight : 367.86

CAS NO.: 7758-29-4

EINECS NO.:  237-004-9

H.S Code: 2835319000.

White microdot powder with luster,density:0.35-0.9g/cm 3  melting point at 622 °C,easily soluble in water, with remarkable chelating ability to some metal ions such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity.

2)Usage:

Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.  

3)Specifications:

GB/T9983-2004(technical grade), QB1034-91(food grade)

Specifications

Industrial Grade

Food Grade

AssayNa5P3O10 % ≥

94.0

95.0

P2O5 % ≥

57.0

57.0

Water Insoluble Matter %≤

0.1

0.05

Iron(Fe) %≤

0.01

0.01

PH value(1%water solution)

9.2-10.0

9.5-10.0

Heavy Metal (as Pb) %≤

/

0.001

Arsenic (As) %≤

/

0.0003

Fluoride (F) %≤

/

0.003

Whiteness %≥

90.0

90.0

Density:

0.35-0.9g/cm 3

0.55-0.9g/cm 3

Particle SizePower:Through 16 mesh sieve %≥

Through 35 mesh sieve %≥

Through 100 mesh sieve%≥

Fine power:

Through 100 mesh sieve %≥

 

95

90

40

 

90

 

95

90

40

 

90

4)Packing Details:

The goods will be packed in Net weight 25kgs, 50kgs or 1000kgs plastic-woven sack with polythene inner bag; 

20MT-24MT will be loaded in 1*20'fcl container. 

5)Storage:

Store at a cool, dry and well ventilated place.

Stpp ceramic grade



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