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Synthetic Cryolite

Synthetic Cryolite product name: Synthetic Cryolite
Place of Origin: Peoples Republic of China
Post Date: January 2, 2010
Edit Date: January 2, 2010

Detailed Product Description:

  • Brand Name: SMEC
  • Purity: MIN 53%F
  • Place of Origin: Shanghai China (Mainland)
  • CAS No.: Synthetic Cryolite
  • Model Number: SMEC-SC

Synthetic Cryolite is crystalline white powder, slightly soluble in water, density 2.95-3, easily absorbing water to become damp

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 1000 o C, 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 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

CaO%≤

0.10
0.15

0.20

Ignite on 550oC≤

2.5

3.00

3.00