Di(cumyl) Peroxide from Japan
Bis(1-methyl-1-phenylethyl) peroxide, an aromatic dialkyl peroxide used in crosslinked polyethylene production. Classified HTS 2909.60.20.00 as aromatic ketone peroxide derivative, chemically defined organic compound per Chapter 29 note (a). High-purity technical grade qualifies.
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
• Provide peroxide value assay (meq O2/kg) confirming active oxygen content for classification
• Use Type F organic peroxide packaging; shock/watch required for transport declarations
• Avoid water contamination; peroxides hydrolyze and lose efficacy