Technical Grade Boric Acid Flakes from Japan
Technical grade boric acid flakes are produced by dehydration of borax and used in ceramics, fertilizers, and as a pH buffer in pools. Classified under HTS 2810.00.00.00 as boric acid, meeting Chapter 28's chemically defined criteria. Purity typically 99.5% minimum for industrial use.
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
• Declare exact water content to prevent confusion with anhydrous forms or hydrated borates
• Obtain EPA approvals if intended for pesticide use post-import to avoid seizure
• Use DOT-compliant packaging for corrosive classification during transport