Lithium-Catalyzed Butadiene Rubber Crumb from Mexico
Crumbs of solution BR from lithium initiation, for wire insulation compounds. HTS 4002.20.00.00 for primary crumb form of synthetic butadiene rubber.
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
• Molecular weight distribution cert confirms synthetic rubber per vulcanization test
• Ensure crumbs not surface-worked into shapes violating note 8 primary form rules