Synthetic Cryolite, molecular formula: Na₃AlF₆(Sodium hexafluoroaluminate)

1.APPLICATIONS

a.Aluminum- metallurgy:

- As component of fluxing agents, protective and refining salts

b.Production of abrasives:

- As active filler in resinbonded abrasives for metal treatment

c.Production of enamel, glazing frits and glass:

- As flux and opacifying agent

d.Production of soldering agent:

- As component for fluxing agents

e.Production of welding agents:

- As component of welding rod coatings and welding powders

f.Blasting and pyrotechnics: - For fireworks

g.Metal surface treatment:                     

 - As component in pickling pastes for stainless steel

2.SPECIFICATION

a.CHEMICAL PROPERTIES

F  52-55%

Na  28-33%

Al  12-15% 

SiO2  0.35%max

Fe2O3  0.10%max

SO42-  0.50%max

H2O  0.20%max

b.PHYSICAL PROPERTIES

The size distribution can be sandy (60mesh to 100mesh) and powder (200mesh to 325mesh).Molecular ratio can be between 1.3-3.0 and we can change it according to customer’s requirements.

3.PACKING