Aluminum Fluoride Hydrate (AlF3·3H2O)
Hydrated aluminum fluoride is an intermediate in fluorochemical production and aluminum flux. Falls under HTS 2826.12.00.00 as the hydrate form remains a chemically defined fluoride of aluminum per Chapter 28. Used in ceramics and glass manufacturing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing hydrogen fluoride impurities
Hydrogen fluoride classifies in 2811; mixtures may follow principal component.
If prepared with additives for retail
Chemical preparations for retail sale excluded from Chapter 28.
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Import Tips & Compliance
• Disclose hydrate water content in COA to prevent reclassification as anhydrous under same code
• Use DOT-compliant shipping for hydrated fluorides prone to decomposition
Related Products under HTS 2826.12.00.00
Aluminum Fluoride (AlF3)
Aluminum fluoride is a white crystalline powder used primarily as a flux in aluminum smelting to lower the melting point of alumina. It falls under HTS 2826.12.00.00 as a fluoride of aluminum, a simple inorganic compound of a metal base. This chemically defined compound meets Chapter 28 criteria for classification here.
Sodium Aluminum Fluoride (Na3AlF6, Cryolite)
Synthetic cryolite, or sodium hexafluoroaluminate, is a key flux in the Hall-Héroult process for aluminum electrolysis. Classified under HTS 2826.12.00.00 as a fluoride of aluminum, despite its complex formula, due to primary aluminum content. It is chemically defined per subheading note requirements.
Synthetic Cryolite Powder (Na3[AlF6])
Fine powder synthetic cryolite used in aluminum production and opacifiers for glass/enamel. HTS 2826.12.00.00 covers this aluminum fluoride complex as chemically defined per subheading note. Particle size optimized for flux efficiency.
Aluminum Fluosilicate (Al2(SiF6)3)
Aluminum fluosilicate serves as a laundry sour and in water fluoridation. Classified in HTS 2826.12.00.00 as a complex fluoride of aluminum, chemically defined inorganic compound. Also used in synthetic zeolites.
Potassium Aluminum Fluoride (KAlF4)
Potassium aluminum fluoride is used as a cover flux in aluminum remelting to prevent oxidation. It qualifies for HTS 2826.12.00.00 as an aluminum fluoride complex, chemically defined inorganic salt. Primarily applied in secondary aluminum production.