TMQ-8 Rubber Aging Preventer Oligomers from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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