| 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 |