HTS code 2826.30.00.00 covers "Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts › Sodium hexafluoroaluminate (Synthetic cryolite)" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.