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Di-tert-Butyl Peroxide (Aromatic Grade) from Japan

Di-tert-butyl peroxide is an aromatic ether peroxide used as a crosslinking agent in rubber and polymer production. Classified under HTS 2909.60.10.00 for aromatic ether peroxides meeting additional U.S. note 3 criteria for chemically defined peroxides in section VI.

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

• Classify as UN3105 hazardous material requiring specific IBC or drum packaging with self-accelerating decomposition temperature documentation

• Provide certificate of analysis confirming aromatic content and peroxide value to match note 3 specifications

• Avoid common pitfall of improper stabilization leading to classification under mixtures heading 3824