- Synthetic Cryolite color: white
- Brand Name: synthetic cryolite
- Purity: Synthetic Cryolite MIN 53%F
- Place of Origin: Hebei China (Mainland)
- CAS No.: 13775-53-6
- Model Number: cryolite 53Fmin
Synthetic Cryolite is crystalline white powder, slightly soluble in water, density 2.95-3, easily absorbing water to become damp
Synthetic cryolite:
Powder: 200-325mesh
Sandy: 60-100 mesh
Granular: 1-10mm
Packing: in 25kg,50kg,1000kg P.P. bag
Synthetic cryolite:
Molecular formula: Na3AlF6
Molecular weight: 209.94
CASNumber: 13775-53-6
H.Scode 28263000
1-Properties: it is crystalline white powder. Slightly soluble in water, density 2.95
3, melting point 1000 o 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.
2-APPLICATIONS
Aluminium- metallurgy:
- as component of fluxingagents, protective and refining salts
Production of abrasives:
- as active filler inresinbonded abrasives for metal treatment
Production of enamel,glazing frits and glass:
- as flux and opacifyingagent
Production of solderingagent:
- as component for fluxingagents
Production of weldingagents:
as component of welding rodcoatings and welding powders
Blasting and pyrotechnics: -for fireworks
Metal surface treatment: -as component in pickling pastes for stainless steel
Quality Standard GB4291-1999
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 |
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