2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane from Germany
This symmetrical aromatic ketone peroxide functions as a high-temperature initiator for polyethylene crosslinking. Falls under HTS 2909.60.10.00 as a chemically defined aromatic peroxide specified in additional U.S. note 3 to section VI.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Require manufacturer's test data on self-accelerating decomposition temperature for customs and transport
• Confirm chemical purity >99% to maintain classification under pure compounds vs mixtures
• Include emergency response information per 49 CFR for hazardous material imports