Brand:GC
Cryolite (SodiumFluoaluminate)
Molecularformula??? Na3AlF6
CAS No.: 13775-53-6
Molecular weight ??? 209.94
[Properties]: Clorless monocrystal crystal,usually appears offwhite, pink, yellowish or black because ofimpurity, usually present as indiscerptible compact block withglass lustre, specific gravity: 2.9-3.0, melting point: 1000°C;slight soluble in water, aqueous solution is acidic, decompose totoxic hydrogen fluoride gas when meeting with sulfuric acid.
[Quality standard]:qualified with the standard[GB 4291-84].
Item |
F
|
AL |
Na |
SiO2 |
Fe2O3 |
SO4-2- |
CaO |
P2O5 |
H2O |
Loss on Drying (550???) |
Standard Values ???%??? |
≥53 |
≥13 |
≤32 |
≤0..4 |
≤0.08 |
≤1.2
|
≤0.15 |
≤0.03 |
≤0.5 |
≤3.0 |
Test Result ???%??? |
≥53.2 |
≥14.5 |
≤29 |
≤0..4 |
≤0.07 |
≤0.65
|
≤0.13 |
≤0.02 |
≤0.4 |
≤1.8 |
[Application]: It is mainly used as a fluxin the aluminium smelting by fused salt electrolysis;also anopalizer in the manufacture of enamel;an opacifier and auxiliarysolvent of glass and enamel;an insecticide of crops;a flux inaluminium alloy casting;and in the production of ferrous alloy andeffervescing steel.
[Packing]: polyethylene weaving inner linedwith plastic bag. Net weight is 25kg(exported packing), or as therequest of our customer.
[Storage and transportation]:Stored in dry and cool warehouse
with packages sealed and away from rain and wetting.
