1.Purity F 52%-54% min
2.White powder(100-325mesh)/Granule(below 10mm)
3.As flux in pesticide
4.Export India/Iran
Synthetic Cryolite
Product name: synthetic cryolite, cryolite, sodium fluoroaluminate
Formula: na3alf6
M. W.: 209.94
Cas No.:13775-53-6
HS.code: 2826300000
Grade: tech. grade
Product description: it is crystalline white powder. slightly soluble in water, density 2.95-3, melting point 1000°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.
Uses: It’s mainly used as a flux in the aluminum smelting by fused-salt 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.
Specification:
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 |
