Sodium fluoaluminate 200mesh or 325mesh are all in store.
Cryolite Packing:
In a plastic Bag inner layer and a woven bag as external layer, 25kg per bag, or according to the buyer’s requirement. Suitable for long distance transportation.
Cryolite basic information:
Name:Sodium fluoaluminate
Purity:98.5%
Formula:Na3AlF6
HAZARD CLASS: 6.1
CAS NO.:13775-53-6
Cryolite Physical and Chemical Properties:
Still named sodium fluoaluminate. It is a white crystalline powder or a sandy size granularity as well. Melting point about 1000 C. It is insoluble in anhydrous hydrogen fluoride, but slightly in water
Cryolite Technical standards:
Test index Standard Index Test result
F 53%MIN 53.85%
Al 13%MIN 16.53%
Na 30%MAX 26.61%
P2O5 0.02%MAX 0.001%
Si02 0.35%MAX 0.18%
Fe2O3 0.1%MAX 0.08%
SO4 0.5%MAX 0.19%
H2O 0.4%MAX 0.31%
Cryolite main usage:
It is mainly used as a flux in the aluminium 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 aluminium alloycasting;and in the production of ferrous alloy and effervescing steel.