| CAS No.: | 13775-53-6 |
|---|---|
| Formula: | Na3alf6 |
| EINECS: | 239-148-8 |
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| Relative Density | 2.95~3.1 | Size | 20-400meshes |
| Specification | CM-1 | Production Capacity | 30000tons/Year |
Product name: Cryolite
Chemical formula: Na3AlF6
CAS No.: 13775-53-6 H.S. Code: 2826300000
EINECS:239-148-8
physical characteristics:white, gray or pink powder,granular of crystal .
Cryolite Na3AlF6
It has relative density of 2.9-3.0.
It is a colorless monoclinic crystal, but often appears off-white.
Specification:
Molecular FormulaNa3AlF6Molecular Weight209.94
Properties
It is a colorless monoclinic crystal, but often appears off-white, pompadour, straw yellow or black due to impurities. It has relative density of 2.9-3.0, mp 1000. It is slightly soluble in water, and its aqueous is acidic. It decomposes to release poisonous HF gas while meeting sulfuric acid.Usages
It is used as flux in aluminum smelting, cropper insecticide, flux and whiting agent of enamel glaze. It is also used in the manufacture of milky white glass, aluminum alloy and boiling steel. Its used as ingredient of grinding wheel.Specification
Parameter SuperfineGradeGradeFluorine (F)≥535353Aluminum (Al)≥131313Sodium (Na)≤323232Silicon Oxide (SiO2)≤0.250.360.40Ferric Oxide (Fe2O3)≤0.050.080.10Sulfate (SO42-)≤0.71.21.3Calcium Oxide (CaO)≤0.100.150.20Phosphorus Pentoxide (P2O5)≤0.020.030.03Water (H2O)≤0.40.50.8 L.O.I on 550oC≤≤2.53.03.0PackingIn 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.
Applications
As a flux in primary aluminium smelting.
Thick size(0-10mm)and good fluidity, Convenient for mechanization and feeding automatically.
Low melting point and fast melting, which can reduce the period of turning into normal working condition
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