Technical Grade Refined Borax Powder from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• 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