SyntheticCryolite
(Na3AlF6)
1.Cas no:15096-52-3;1344-75-8;13775-53-6;12397-51-2
2.It is colorless monoclinic system crystal
3.Assay:99% minProperties for cryolite:
It is colorless monoclinic system crystal. Non-pure product is greyish white, light yellow, light red or black. M.P.: 1025°C; bulk density: 0.6-1.0g/L, true density: 2.95-3.05g/cm3; specific wt.: 2.75-3.00g/cm3, melting heat: 107KJ; slightly soluble in water, aqueous solution is acidic.
IngredientFirst gradeF%≥53Na% ≥32Al≥13H2O%≤0.5SiO2≤0.36Fe2O3%≤0.08SO4%≤1.20P2O5%≤0.03Ignite on 550oC≤3.00CaO%≤0.15Fineness can be adjusted to meet the needs of customers(-120~-325mesh);
Purity≥99%.
Use for cryolite :
Mainly used as fluxing agent for aluminium electrolysis; also used as anti-wear additive for abrasive products; as flux for iron alloy and rimmed steel, as deoxidizer and residue eliminator for casting, as emulsifying agent for enamel, as opacifier for glass etc.Packing & Weight for cryolite
In Paper woven bag lined with plastic film, net wt. 25kg, 50kg, 1000kg/bag.Certificate: