Zhengzhou Flworld Chemical Co., Ltd.
Main products:Crylite,Aluminum Hydroxide,Aluminum,STPP,Sodium Sulphate Anhydrous
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  • Contact Person : Ms. Chen Lussa
  • Company Name : Zhengzhou Flworld Chemical Co., Ltd.
  • Tel : 0086-371-65387996-803
  • Fax : 0086-371-65387789
  • Address : Henan,Zhengzhou,Huanghe road
  • Country/Region : China
  • Zip : 450003

synthetic cryolite

synthetic cryolite
Product Detailed
Our major product and have been supplied oversea's buyer all over the world. earned trusts from the customers.

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 customer’s 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

synthetic cryolite



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