Potassium Cryolite

KAIF4

Specification of Potassium Cryolite

F

49-51%

Al

17-18%

K

28-32%

Fe2O3

0.1% max

SO4

0.05% max

H2O

0.6% max

Melting Point

557-580

 

Properties:

white or grey-white crystal powder; fineness: 20, 40, 100, 200 and 325mesh, composed by KF-AlF3, Molecular rate near 1.2, melting point 557℃-580℃. Solubility in 1000g water:  at 0℃: 0.8g; at 25℃: 1.42gat 100℃: 4.58g.

 

Application

It is used as welding flux in aluminum alloy and stainless steel, a degasser and an

auxiliary solvent in aluminum alloy fabrication, also used as an active filler for glass, ceramic and friction compound.

 

Packing: 

25/1000kg plastic woven bags with film lining

Potassium Aluminium Fluoride, Cryolite, Cutting Wheel