Other
Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts. > Fluorides: > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2826.1
Aluminum Fluoride (AlF3)
Aluminum fluoride (AlF3) is a white crystalline powder used primarily as a flux in aluminum smelting to lower the melting point of alumina. It is a separate chemically defined compound of aluminum and fluorine, meeting the criteria of Chapter 28 Note 1(a). It is classifiable under tariff item 2826.12.00 as a fluoride of aluminum.
2826.12.00Aluminum Fluoride Hydrate (AlF3·3H2O)
Aluminum fluoride hydrate (AlF3·3H2O) is a hydrated form of aluminum fluoride used as an intermediate in fluorochemical production and as a flux. As a hydrate of a chemically defined compound, it remains within Chapter 28 Note 1(b) (products dissolved in water) and is classifiable under 2826.12.00 as a fluoride of aluminum.
2826.12.00Aluminum Fluosilicate (Al2(SiF6)3)
Aluminum fluosilicate (Al2(SiF6)3) is a complex fluorine salt of aluminum, used as a laundry sour and in water fluoridation. Although it contains silicon, it is a fluosilicate, which falls under the subheading 'fluorosilicates, fluoroaluminates and other complex fluorine salts' (2826.90) rather than 2826.12.00, which covers only simple fluorides of aluminum. Therefore, it does not belong under this tariff item.
2826.12.00Potassium Aluminum Fluoride (KAlF4)
Potassium aluminum fluoride (KAlF4) is a double fluoride salt of potassium and aluminum, used as a cover flux in aluminum remelting. It is a complex fluoride, not a simple fluoride of aluminum, and is classifiable under 2826.90 (other complex fluorine salts) rather than 2826.12.00. Thus, it does not fall under this tariff item.
2826.12.00Sodium Aluminum Fluoride (Na3AlF6, Cryolite)
Sodium aluminum fluoride (Na3AlF6, cryolite) is a complex fluoride of aluminum and sodium, essential in the Hall-Héroult process. As a fluoroaluminate, it is a complex fluorine salt, not a simple fluoride, and is classified under 2826.90 (fluoroaluminates) rather than 2826.12.00. Therefore, it is excluded from this tariff item.
2826.12.00Synthetic Cryolite Powder (Na3[AlF6])
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.
2826.19.00Aluminum Fluoride Anhydrous
Anhydrous aluminum fluoride (AlF3), a white crystalline powder or granular solid used primarily as an electrolyte component in aluminum smelting. As a chemically defined inorganic fluoride, it falls under tariff item 2826.19.00 for 'other' fluorides.
2826.19.00Ammonium Bifluoride
Ammonium bifluoride ((NH4)HF2) is an inorganic acid salt used in industrial cleaning, oil well acidizing, and metal pickling. It is a chemically defined compound of ammonium and fluorine, falling under the 'other' fluorides of this tariff item.
2826.19.00Ammonium Difluoride
Ammonium difluoride (NH4HF2 variant) is used in beaker cleaning and synthetic fluoride production. It is a chemically defined simple fluoride salt of ammonium, qualifying as an 'other' fluoride under this tariff item.
2826.19.00Ammonium Fluoborate
Ammonium fluoborate (NH4BF4) is utilized in electroplating baths, explosives, and synthetic resins. It is a complex fluorine salt of ammonium, classified under 'other' fluorides in this tariff item.
2826.19.00Ammonium Fluoride
Ammonium fluoride (NH4F) is a white crystalline salt used in chemical synthesis, glass etching, and as a fluorine source in pharmaceuticals. It is a chemically defined fluoride of ammonium, falling under 'other' fluorides in this tariff item.
2826.19.00Ammonium Fluorosilicate
Ammonium fluorosilicate ((NH4)2SiF6) serves as a rodenticide, water fluoridation agent, and in ceramic production. It is a complex fluorine salt of ammonium, classified under 'other' fluorides in this tariff item.
2826.19.00Ammonium Fluorotitanate
Ammonium fluorotitanate ((NH4)2TiF6) acts as a catalyst in organic synthesis and titanium processing. It is a complex fluorine salt of ammonium, falling under 'other' fluorides in this tariff item.
2826.19.00Ammonium Fluorozirconate
Ammonium fluorozirconate ((NH4)2ZrF6) finds use in ceramics, nuclear fuel processing, and as a precipitant. It is an inorganic complex salt of ammonium and fluorine, classified under 'other' fluorides in this tariff item.
2826.19.00Anhydrous Sodium Fluoride
Anhydrous sodium fluoride is a dry, pure form of NaF employed in metallurgical fluxes and aluminum smelting processes. It is a chemically defined fluoride of sodium, falling under 'other' fluorides in this tariff item.
2826.19.00Barium Fluoride Powder
Barium fluoride (BaF2) in powder form, used in scintillation detectors, infrared optics, and as a welding flux. This chemically defined inorganic salt is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Bismuth Fluoride Powder
Bismuth fluoride (BiF3) powder, a chemically defined inorganic compound used as a fluorinating agent in organic synthesis and as an alloying component. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Calcium Fluoride Lump
Calcium fluoride (CaF2) in lump form, whether natural or synthetic, used as a raw material for hydrogen fluoride production and as a flux in steelmaking. When chemically defined, it is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Cerium Fluoride Powder
Cerium fluoride (CeF3) powder, a chemically defined inorganic compound used to dope phosphors and as a catalyst in petroleum refining. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Cobalt Fluoride Granules
Cobalt fluoride (CoF2) in granular form, a chemically defined inorganic compound used as a catalyst in oxidation reactions and for fluorinating hydrocarbons. It falls under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Lead Fluoride Powder
Lead fluoride (PbF2) powder, a chemically defined inorganic compound used to stabilize glasses and ceramics at high temperatures. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Lithium Fluoride Crystals
Lithium fluoride (LiF) crystals, a chemically defined inorganic compound used in optics, nuclear reactors, and as a flux in ceramics due to its high transparency to UV light. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Magnesium Fluoride Powder
Magnesium fluoride (MgF2) powder, a chemically defined inorganic compound used to coat optical lenses for anti-reflective properties and as a flux. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Neutral Ammonium Fluoride
Neutral ammonium fluoride (pure NH4F anhydrous) is used for specialty etching and doping. It is a chemically defined fluoride of ammonium, falling under 'other' fluorides in this tariff item, provided it is not doped for electronics.
2826.19.00Nickel Fluoride Powder
Nickel fluoride (NiF2) powder, a chemically defined inorganic compound used for etching metals and as a fluorinating agent in chemical synthesis. It falls under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Pharmaceutical Grade Sodium Fluoride
Pharmaceutical grade sodium fluoride is a USP-grade product for compounding in fluoride supplements and veterinary medicines. It is a chemically defined fluoride of sodium, falling under 'other' fluorides in this tariff item, prior to formulation into medicaments.
2826.19.00Sodium Bifluoride
Sodium bifluoride (NaHF2), also known as sodium acid fluoride, is used in cleaning agents and etching solutions. It is a chemically defined fluoride of sodium, falling under 'other' fluorides in this tariff item.
2826.19.00Sodium Fluoride Crystals
High-purity sodium fluoride crystals are utilized in the production of specialty glasses and enamels for their fluxing properties. They are chemically defined fluorides of sodium, falling under 'other' fluorides in this tariff item.
2826.19.00Sodium Fluoride for Water Fluoridation
Granular sodium fluoride specifically graded for public water supply fluoridation is a chemically defined fluoride of sodium. It falls under 'other' fluorides in this tariff item, meeting chemical purity standards.
2826.19.00Sodium Fluoride Lab Reagent
ACS-grade sodium fluoride for analytical chemistry labs is used in fluoride ion selective electrode calibration. It is a chemically defined fluoride of sodium, falling under 'other' fluorides in this tariff item.
2826.19.00Sodium Fluoride Powder
Sodium fluoride (NaF) is a white crystalline powder used primarily as a fluoridating agent in water treatment and toothpaste formulations. It is a chemically defined fluoride of sodium, falling under 'other' fluorides in this tariff item.
2826.19.00Strontium Fluoride Granules
Strontium fluoride (SrF2) granules, a chemically defined inorganic compound used in pyrotechnics, electronics, and as an anti-caking agent. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Technical Grade Sodium Fluoride
Technical grade sodium fluoride (NaF) with a purity of 95% or more, supplied as a white powder for industrial applications such as insecticide manufacturing and wood preservation. This inorganic, chemically defined compound is classified as an 'other' fluoride under tariff item 2826.19.00, which covers fluorides not elsewhere specified.
2826.19.00Tin Fluoride Crystals
Tin(II) fluoride (SnF2) crystals, a chemically defined inorganic compound used in dental products and tin plating. It is classified under tariff item 2826.19.00 as an 'other' fluoride.
2826.19.00Zinc Fluoride Crystals
Zinc fluoride (ZnF2) crystals, a chemically defined inorganic compound used as a flux in soldering and in enamel production. It is classified under tariff item 2826.19.00 as an 'other' fluoride.