Polymerization-Grade Isoprene (98%) from Mexico
98% pure isoprene specifically refined for synthetic rubber polymerization, meeting industrial standards for cis-1,4-polyisoprene production. Classified under HTS 2901.24.20.00 as a high-purity (≥95%) acyclic unsaturated hydrocarbon, distinct from lower-grade or mixed hydrocarbons.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include supplier's certificate of analysis (COA) specifying polymerization-grade purity; ensure compliance with TSCA for chemical imports
• Pitfall: improper storage leading to oxidation—ship refrigerated