TMQ Rubber Age Resistor from Japan
TMQ (2,2,4-trimethyl-1,2-dihydroquinoline polymer) is a polymeric aromatic antioxidant providing long-term aging resistance in synthetic rubber conveyor belts. Classified in HTS 3812.39.60.00 due to its modified aromatic stabilizer composition for rubber.
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
• Supply polymerization degree documentation to confirm compound stabilizer status
• Include rubber compatibility test results in commercial invoice
• Prevent misclassification by clearly marking 'not for direct consumer use'