Synthetic Cryolite Powder (Na3[AlF6]) from Mexico

Synthetic cryolite powder (Na3[AlF6]) is a fine powder form of sodium hexafluoroaluminate, used in aluminum production and as an opacifier. It is a fluoroaluminate complex salt, which falls under 2826.90 (other complex fluorine salts), not under 2826.12.00 for simple aluminum fluorides. Hence, it does not belong under this tariff item.