Polymerized TMQ Antioxidant for Tires (Grade 224) from Mexico
Polymerized TMQ antioxidant in Grade 224, composed of high-molecular-weight oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline, used to protect tire carcass rubber from oxidative aging and flex cracking. This product falls under tariff item 3812.31.00 as a mixture of TMQ oligomers serving as an anti-oxidizing preparation for rubber.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is clearly labeled as a mixture of TMQ oligomers and not a separate chemically defined compound, as the latter may fall under Chapter 29
• Provide a technical data sheet to CBSA confirming the oligomeric nature and intended use as a rubber antioxidant
• Verify if the product qualifies for duty relief under any free trade agreements based on country of origin