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synthetic cryolite

synthetic cryolite
Click to see the original picture 		Product Name:synthetic cryolite
Place of Origin:Peoples Republic of China
Post Date:November 1, 2009
Edit Date:November 1, 2009 		Company Name :
Detailed Product Description:
  • color: crystal,white,powder
  • Purity: 53%
  • Place of Origin: Henan China (Mainland)

we are one of major professional supplier of synthetic cryolite in Henan,pls tell us your usage & specification for confirmation

 

SYNTHETIC CRYOLITE  

 

SYNONYM: SODIUM FLUOROALUMINATE  

Molecular formula: Na3AlF6
molecular weight: 209.94


1> Properties: it is crystalline white powder. Slightly soluble in water, density 2.95-3, melting point 1000oC, easily absorbing water and become damp, decomposed by strong acids like sulfuric acid and hydrochloride, then producing hydrofluoric acid and relevant aluminum salt and sodium salt.


2> Uses: mainly used in flux of electrolytic aluminum, pesticide, flux of ceramic colors, anti-rubbing filling agent of resin and rubber, electrolytic liquid for production of iron alloy rimmed steel and furnish of emery wheel

.

3> Packing: package can be 25/50/1000kg plastic woven bags with shrink film, or according to customers requirements.

4> Specifications: GB4291-1999

Ingredient

Super

First grade

Second grade

F%≥

53

53

53

Na% ≥

32

32

32

Al≥

13

13

13

H2O%≤

0.4

0.5

0.8

SiO2≤

0.25

0.36

0.4

Fe2O3%≤

0.05

0.08

0.10

SO4%≤

0.7

1.20

1.30

P2O5%≤

0.02

0.03

0.03

Ignite on 550oC≤

2.5

3.00

3.00

CaO%≤

0.10

0.15

0.20

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