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2810.00.00.00/Metaboric Acid Powder/Canada

Metaboric Acid Powder from Canada

Metaboric acid (HBO2), a dehydrated form of boric acid, used in flame retardants and catalysts. Included under HTS 2810.00.00.00 as a boric acid isomer, chemically defined. Less stable than orthoboric acid, requiring dry storage.

Duty Rate — Canada → United States

11.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Specify polymorphic form (alpha/beta/gamma) in documentation

• Monitor for reconversion to orthoboric acid during storage

Metaboric Acid Powder from Canada — Import Duty Rate | HTS 2810.00.00.00