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SodiumFluoroaluminate/SyntheticCryolite
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Product Name:
SodiumFluoroaluminate/SyntheticCryolite
Sort:
Cryolite
Company:
ZHENGZHOUPMPHUAQINGXINCO.,LTD..
Location:
Contact Person:
JessicaChan
Post Time:
2023/11/18
Free Member
ZHENGZHOUPMPHUAQINGXINCO.,LTD.
Tel:
+86-371-68008077
Fax:
+86-371-68005277
Add:
No.55ZhongxinRoad,Zhengzhou,China
Post Code::
E-mail:
info@xinweixin.cn
Details
Sodium Fluoroaluminate / Synthetic Cryolite
CAS No.:159096-52-3
MF:Na3AlF6
MW:209.94
EINECS:239-148-8
Mol File:159096-52-3mol
Chemical Properties
Sodium fluoroaluminate is a white crystalline powder or a sandysize granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95—3.01g/cm3, melting point about 1000°C, specific heat 1.056j/g°C at 18—100°C. Its slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800°C will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively.
Cryolite Specification
Items Results of Analysis Data
F%≥ 53.5 52-55
Na% ≥ 32.2 28-33
Al≥ 12 12-15
CaO%≤ 0.18 0.20
P2O5%≤ 0.026 0.03
SiO2≤ 0.27 0.40
H2O%≤ 0.25 0.80
Fe2O3%≤ 0.09 0.10
SO4%≤ 0.097 1.30
Ignite on 550oC≤ 2.6 3.00
Synthetic Cryolite Usages
Its mainly used as a flux in the aluminum smelting by fusedsalt electrolysis; also an opalizer in the manufacture of enamel;
an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.
Cryolite Packing
In plastic coating woven bags with plastic film and paper bags inside, 25kgs, 50kgs or 1000kgs net each, or as the requirement of clients.
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