Sanitized TMQ Rubber Stabilizer for Medical Tubing from Japan
This purified TMQ oligomer mixture is used in pharmaceutical-grade rubber tubing to prevent oxidative failure. It qualifies for HTS 3812.31.00.00 as mixtures of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers serving as rubber anti-oxidants.
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
• For medical end-use, cross-reference FDA device regulations alongside HTS chemical classification
• Provide heavy metal analysis (<10ppm) as TMQ impurities trigger additional scrutiny