Stabilized Isoprene for Synthetic Rubber from Canada
Polymerization-grade isoprene containing TBHP stabilizer to prevent premature polymerization during storage and transport. Classified under HTS 2901.24.50.00 per Chapter 29 note (f) allowing stabilizers necessary for preservation. Remains chemically defined isoprene despite added stabilizer.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document stabilizer type/concentration (typically <0.1% TBHP); exceeds limits may trigger Chapter 38 mixed preparations
• Include Material Safety Data Sheet (MSDS) specifying stabilizer doesn't render product for specific use per Chapter note (g)