| |
|
|
|
MINERALS AND METAL>SYNTHETIC CRYOLITE>SPECIFICATION |
|
| |
|
|
| |
Cryolite Specification |
A |
B |
C |
D |
F 54 % min. |
F 54 % min. |
F 51 % min. |
F 48 % min. |
Al 18 % max. |
Al 18 % max. |
Al 18 % max. |
Al 18 % max. |
Na 23 % min. |
Na 20 % min. |
Na 20 % min. |
Na 20 % min. |
SiO2 0.5 % max. |
SiO2 0.9% max. |
SiO2 0.5 % max. |
SiO2 0.5 % max. |
Fe2O3 0.06 % max. |
Fe2O3 0.06 % max. |
Fe2O3 0.20 % max. |
Fe2O3 0.25 % max. |
SO4 0.5 % max. |
SO4 0.5 % max. |
SO4 0.5 % max. |
SO4 0.5 % max. |
P2O5 0.05 % max. |
P2O5 0.05 % max. |
P2O5 0.05 % max. |
P2O5 0.05 % max. |
H2O 0.5 % max. |
H2O 0.5 % max. |
H2O 0.5 % max. |
H2O 0.5 % max. |
passing 60 mesh 90 % min |
passing 60 mesh 90 % min |
passing 60 mesh 90 % min |
passing 60 mesh 90 % min |
appearance：white |
appearance: off-white |
appearance: off-white |
appearance: gray |
|
|
| |
| Parameter |
Unit |
Normal Range |
| Na3AlF6 |
Wt % |
98.0 Min |
| AL |
Wt % |
13.0 Min |
| Na |
Wt % |
32.0 Min |
| F |
Wt % |
52.0 Min |
| SiO2 |
Wt % |
0.30 Max |
| Fe2O3 |
Wt % |
0.10 Max |
| CaF2 |
Wt % |
0.15 Max |
| P2O5 |
Wt % |
0.015 Max |
| SO3 |
Wt % |
0.30 Max |
| NaCl |
Wt % |
0.25 Max |
| Free Soda -Na2O |
Wt % |
1.0 Max |
| Al2O3 |
Wt % |
Remainder |
| Loss on ignition |
Wt % |
1.0 Max |
| Ratio(C.R) |
Wt % |
1.1-1.2 |
| Bulk Density |
g/cc |
1.3 Max |
| Granulometry |
Wt % |
<1mm 10% max |
| Packing |
Kg |
25 Max |
|
|
| |
|
|
