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Cryolite

Cryolite
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Product Name:Cryolite
Place of Origin:Peoples Republic of China
Post Date:August 8, 2009
Edit Date:August 8, 2009
Company Name :
CIMM Group Co., Ltd.
Tel:86-411-82511728
Fax:86-411-82511722
Add:Chengda Building 17 Floor, No. 71# Renimin Road, Zhongshang District, Dalian 116001, China
Detailed Product Description:

Cryolite

 

Molecular formula: Na3AIF6 also as 3NaF·AlF3

It is mainly used as the flux in the aluminium electrolyzing bath

1Adjustable molecular ratio. The low-molecular ratio cryolite (ratio: 1.3-1.8) can replace AIF3 partly or completely with high yield in the aluminum electrolyzing. The mid-molecular ratio cryolite (ratio 1.8-2.5) can increase the electrolyte level. The high-molecular ratio cryolite (ratio 2.5-3.0) quickly starts up aluminum electrolyzing bath and turn to normal operation.

2.Lower cost. It can economies the power and reduce the cost in aluminum electrolyzing. It has a strong competitive ability.

3Good fluidity. Suitable for automatically feeding in the aluminum smelters and promoting the technology reformation and progress.

4High contents of F, Al, less contents of residues like SiO2 Fe2O3 SO42- P2O5.

5Low free-water and loss of ignition.

Item

1st grade

2nd grade

Na3AlF6

97%

96%

F

53

53

Al

12.5

12.0

Na

33.0

33.0

SiO2

0.35

0.40

Fe2O3

0.08

0.10

SO3

0.50

0.60

CaO

0.4

0.5

P2O5

0.02

0.03

H2O

0.30

0.40

Loss on Ignition (550,30min)

1.0

2.0

NaF/AlF3 by Weight

1.25-1.55

1.25-1.55


 

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