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Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts. > Fluorides: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 2826.90.00.00
Aluminum Fluorotitanate
Aluminum fluorotitanate serves in titanium anodizing processes and is a complex fluorine salt under tariff item 2826.90.00. Its defined inorganic composition excludes it from mixtures or organics. The product is supplied as a solution or powder, meeting Chapter 28 criteria for chemical compounds.
2826.90.00Ammonium Bifluoride
Ammonium bifluoride (NH4HF2) is a complex fluorine salt used as a cleaning agent, etchant for glass and metal etching. It qualifies for tariff item 2826.90.00 as 'other complex fluorine salts' since it is not a simple fluoride. The product meets Chapter 28 criteria as a separate chemical compound.
2826.90.00Barium Fluorosilicate
Barium fluorosilicate (BaSiF6) serves as an insecticide and rodenticide in agricultural applications and is a complex fluorine salt under tariff item 2826.90.00. Its chemical definition as a fluorosilicate places it within this heading. The product meets Chapter 28 criteria as a separate chemical compound.
2826.90.00Cryolite Synthetic
Synthetic cryolite (Na3AlF6) is a key flux in aluminum production, classified as a fluoroaluminate complex fluorine salt in tariff item 2826.90.00. Unlike natural cryolite, this chemically pure synthetic version meets Chapter 28 criteria. The product is a separate chemical compound.
2826.90.00Fluoboric Acid 40% Solution
Fluoboric acid (HBF4), a complex fluorine salt in 40% aqueous solution, is used in metal plating and electronics etching under tariff item 2826.90.00. As tetrafluoroboric acid, it qualifies as 'other complex fluorine salts'. The product meets Chapter 28 criteria as a chemical compound in aqueous solution.
2826.90.00Fluostannic Acid
Fluostannic acid (H2SnF6) is used in tin plating and textile finishing, classified as other complex fluorine salts in tariff item 2826.90.00. It meets all chemical definition notes for Chapter 28. The product is supplied as a corrosive liquid.
2826.90.00K2SiF6 Flux for Ceramics
Potassium fluorosilicate flux powder enhances opacity in ceramic glazes and enamels. It is a chemically defined potassium fluorosilicate (K2SiF6), falling under tariff item 2826.90.00 as a fluorosilicate. This product is not excluded by Chapter 28 notes as it is not a glass frit or other glass in powder form.
2826.90.00Magnesium Fluoroaluminate
Magnesium fluoroaluminate is a complex salt employed in ceramic glazes and refractories, classified under tariff item 2826.90.00 for fluoroaluminates. It satisfies the chemically defined criteria of Chapter 28. The product is a separate chemical compound.
2826.90.00Potassium Fluoroaluminate
Potassium fluoroaluminate (KAlF4), also known as potassium cryolite, is a complex fluorine salt used as a flux in aluminum smelting and welding applications. It is classified under tariff item 2826.90.00 as a fluoroaluminate. The product meets Chapter 28 criteria as a separate chemical compound.
2826.90.00Potassium Silicofluoride Crystals
Potassium silicofluoride appears as colorless crystals or powder, employed in ceramic production as an anti-foaming agent and flux. It is a chemically defined potassium fluorosilicate (K2SiF6), classified under tariff item 2826.90.00. The product meets Chapter 28 criteria as a separate chemically defined compound.
2826.90.00Reagent Grade Na2SiF6
ACS reagent-grade sodium silicofluoride is a high-purity chemical for analytical chemistry and synthesis. It is a chemically defined sodium fluorosilicate (Na2SiF6) meeting Chapter 28 criteria for separate chemical compounds. This product falls under tariff item 2826.90.00 as a fluorosilicate.
2826.90.00Sodium Fluorosilicate 99% Pure Grade
High-purity sodium fluorosilicate (99% Na2SiF6) is supplied for laboratory and pharmaceutical fluoridation applications. It qualifies as a chemically defined sodium fluorosilicate under tariff item 2826.90.00. The product is not excluded by Chapter 28 notes as it is a separate chemical compound.
2826.90.00Sodium Silicofluoride for Water Fluoridation
Granular Na2SiF6 is specifically formulated for municipal drinking water fluoridation systems. It falls under tariff item 2826.90.00 as sodium fluorosilicate, chemically defined per Chapter 28 criteria. The product is not excluded by Chapter 31 notes as it is not a fertilizer.
2826.90.00Sodium Silicofluoride Powder
Sodium silicofluoride is a white crystalline powder used primarily as a fluoridating agent in water treatment to prevent tooth decay. It is a chemically defined sodium fluorosilicate (Na2SiF6) falling under tariff item 2826.90.00. The product meets Chapter 28 criteria as a separate chemical compound.
2826.90.00Technical Grade Potassium Fluorosilicate
Technical-grade K2SiF6 powder serves in aluminum smelting as a flux and degassing agent. It is a potassium fluorosilicate, a defined complex fluorine salt under tariff item 2826.90.00. The product is not excluded by Chapter 28 notes as it is a separate chemical compound.