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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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'