TMQ-8 Rubber Aging Preventer Oligomers from Japan
TMQ-8 is an industrial mixture of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers applied in automotive hoses and seals for oxidation protection. It fits HTS 3812.31.00.00 exactly as specified for these rubber anti-oxidizing preparations.
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
• Use commercial invoices detailing nitrogen content and oligomer degree to match TMQ specifications
• For drum quantities, ensure proper IMDG classification if shipped by sea
• Avoid declaring as 'rubber chemicals' generically; specific TMQ reference prevents 3812.90 default