Technical Grade Refined Borax Powder
Technical grade refined borax is a high-purity disodium tetraborate powder for industrial flux in metallurgy and welding. It is classified in HTS 2840.19.00.00 as other refined borax forms. Excludes organo-inorganic compounds per Chapter 28 note 2.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If crude or calcined natural borates
Unrefined mineral borates from mining are Chapter 25; refinement into chemical form shifts to 2840.
If peroxoborates (perborates)
Peroxoborates have peroxide linkage, classified separately from regular borates in 2840.20.
If used in pickling preparations for metals
Borates in metal pickling mixtures become preparations of 3810, not pure compounds.
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Import Tips & Compliance
• Include assay certificates showing >99% Na2B4O7 content for 'refined' status; declare B2O3 equivalent
• Avoid bulk packaging confusion with mineral ores
• Comply with REACH-like regs for boron
Related Products under HTS 2840.19.00.00
Refined Anhydrous Borax (Na2B4O7)
Refined anhydrous borax, also known as anhydrous sodium tetraborate, is a white, odorless powder used in glass manufacturing and as a cleaning agent. It falls under HTS 2840.19.00.00 as 'other' disodium tetraborate (refined borax) that is not the decahydrate form. This chemically defined inorganic compound meets Chapter 28 criteria for borates.
Refined Borax Pentahydrate
Borax pentahydrate (Na2B4O7·5H2O) is a refined crystalline form of disodium tetraborate used in detergents and herbicides. Classified under HTS 2840.19.00.00 as 'other' refined borax beyond the standard decahydrate. It qualifies as a chemically defined borate per Chapter 28 notes.
Refined Borax Granules for Glass Production
Granular refined disodium tetraborate optimized for fiberglass and glass flux applications. Falls under HTS 2840.19.00.00 as other refined borax, a chemically defined inorganic salt per Chapter notes. Not a luminophore or graphite product excluded by note 6.
Pharmaceutical Grade Refined Borax
USP-grade refined disodium tetraborate for use in pharmaceutical buffers and eye washes. Classified under HTS 2840.19.00.00 as other refined borax, meeting chemical purity standards of Chapter 28. Excludes isotopes or radioactive compounds per note 5.
Refined Borax for Laundry Detergents
Bulk refined borax powder (Na2B4O7) used as a builder in laundry detergent formulations. HTS 2840.19.00.00 covers this as other disodium tetraborate refined borax. Pure inorganic compound, not a retail preparation.
High-Purity Refined Borax for Metallurgy
High-purity refined disodium tetraborate used as flux in non-ferrous metal soldering and brazing. Under HTS 2840.19.00.00 as other refined borax, chemically defined per Chapter 28. Not a cermet or sintered carbide excluded by note 6(g).