Other
Borates; peroxoborates (perborates). > Disodium tetraborate (refined borax): > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2840.1
Anhydrous Disodium Tetraborate Powder
Anhydrous disodium tetraborate (Na2B4O7), also known as refined borax in its dehydrated form, is a chemically defined inorganic compound. It is used in industrial glass manufacturing and as a flux, and its anhydrous nature makes it classifiable under this tariff item.
2840.11.00Anhydrous Refrax Borax
Anhydrous disodium tetraborate sold under the brand 'Refrax' is a pure inorganic borate compound used in fiberglass production. Its anhydrous form is specifically covered by this tariff item, as it is refined borax without water molecules.
2840.11.00High-Purity Anhydrous Sodium Tetraborate
High-purity anhydrous sodium tetraborate is a chemically defined compound used in laboratory reagents and pharmaceutical intermediates. It falls under this tariff item as refined anhydrous disodium tetraborate, meeting Chapter 28's requirements for separate chemically defined compounds.
2840.11.00Industrial Grade Anhydrous Borax
Industrial-grade anhydrous borax is refined disodium tetraborate without water, used in enamel frits and soldering fluxes. It is a chemically defined inorganic compound classifiable under this tariff item as anhydrous refined borax.
2840.11.00Pharma-Grade Anhydrous Tetraborate
Pharmaceutical-grade anhydrous disodium tetraborate is a high-purity chemically defined compound used in buffer solutions for drug manufacturing. It is classifiable under this tariff item as refined anhydrous borax, meeting Chapter 28's criteria for separate compounds.
2840.11.00Refined Anhydrous Borax Granules
Granular anhydrous disodium tetraborate is refined borax in anhydrous form, used in ceramic glazes and metallurgical fluxes. It is a chemically defined inorganic compound falling under this tariff item as anhydrous refined borax.
2840.11.00Technical Anhydrous Borax 99.5%
Technical-grade 99.5% anhydrous disodium tetraborate is used in welding fluxes and high-temperature applications. It is a chemically defined compound classifiable under this tariff item as anhydrous refined borax, distinguished by its lack of water molecules.
2840.19.00High-Purity Refined Borax for Metallurgy
High-purity refined disodium tetraborate (borax) in powder form, used as a flux in non-ferrous metal soldering and brazing. It is a separate chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not a cermet or sintered carbide.
2840.19.00Pharmaceutical Grade Refined Borax
Pharmaceutical-grade refined borax (disodium tetraborate) meeting USP standards, used in buffers and eye washes. It is a chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not put up in measured doses or for retail sale.
2840.19.00Refined Anhydrous Borax (Na2B4O7)
Refined anhydrous borax (Na2B4O7), a white powder used in glass manufacturing and cleaning agents. It is a separate chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not a product of Section V or other excluded goods.
2840.19.00Refined Borax Decahydrate USP Grade
Refined borax decahydrate (Na2B4O7·10H2O) of USP grade with specific impurity controls, used in pharmaceutical and laboratory applications. It is a chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not put up for retail sale.
2840.19.00Refined Borax for Laundry Detergents
Bulk refined borax powder (Na2B4O7) used as a builder in laundry detergent formulations. It is a chemically defined inorganic compound of Chapter 28, not excluded by the chapter notes, and is not put up for retail sale as a preparation.
2840.19.00Refined Borax Granules for Glass Production
Granular refined disodium tetraborate optimized for fiberglass and glass flux applications. It is a separate chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not a luminophore or glass frit.
2840.19.00Refined Borax Pentahydrate
Refined borax pentahydrate (Na2B4O7·5H2O), a crystalline form of disodium tetraborate used in detergents and herbicides. It is a separate chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not a product of Chapter 31.
2840.19.00Technical Grade Refined Borax Powder
Technical grade refined borax powder, a high-purity disodium tetraborate for industrial flux in metallurgy and welding. It is a chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not an organo-inorganic compound.