Product: Sodium Fluoaluminate
Other name: Cryolite
CAS NO: 13775-53-6; 15096-52-3
Molecular formula: Na3AlF6
Properties:
Caused by impurity, the appearance can be White, gray, yellow powder or crystalline particles. Melting point is 1025 ºC.
Application:
Used to fluxing agents of aluminum metallurgy, abrasives, enamel, flux and opacifying agent of glazing frits and glass, soldering agent, fireworks, metal surface treatment and etc..
Specification:
|
Items
|
CH-0
|
CH-1
|
CM-0
|
CM-1
|
|
F (%)
|
52 min.
|
52 min.
|
53 min.
|
53 min.
|
|
Al (%)
|
12 min.
|
12 min.
|
13 min.
|
13 min.
|
|
Na (%)
|
33 min.
|
33 min.
|
32 min.
|
32 min.
|
|
SiO2 (%)
|
0.25 max.
|
0.36 max.
|
0.25 max.
|
0.36 max.
|
|
Fe2O3 (%)
|
0.05 max.
|
0.08 max.
|
0.05 max.
|
0.08 max.
|
|
SO4 (%)
|
0.6 max.
|
1.0 max.
|
0.6 max.
|
1.0 max.
|
|
CaO (%)
|
0.15 max.
|
0.20 max.
|
0.20 max.
|
0.60 max.
|
|
P2O5 (%)
|
0.02 max.
|
0.03 max.
|
0.02 max.
|
0.03 max.
|
|
H2O (%)
|
0.20 max.
|
0.40 max.
|
0.20 max.
|
0.40 max.
|
|
Loss on ignition(550?,30min) (%)
|
2.0 max.
|
2.5 max.
|
2.0 max.
|
2.5 max.
|
|
