TMQ Rubber Antioxidant RD from Japan
TMQ (RD) polymerized 2,2,4-trimethyl-1,2-dihydroquinoline provides static aging protection in rubber conveyor belts and hoses. Classified HTS 3812.39.9000 as rubber compound stabilizer. Cost-effective for heavy-duty applications.
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
• Confirm polymerization degree (>85% required for efficacy)
• Storage below 30°C prevents crystallization issues
• Avoid amine odor complaints with proper ventilation declarations