Royalty MB Antioxidant Masterbatch from Mexico
Royalty MB is a 50% polymer-bound mixed aromatic antioxidant masterbatch for injection-molded rubber gaskets containing hindered phenols and amines. HTS 3812.39.60.00 applies due to aromatic stabilizer composition.
Duty Rate — Mexico → 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
• Specify masterbatch let-down ratio and processing temperature range
• Include migration test results for food-grade gasket applications
• Prevent reclassification by documenting rubber-specific dispersion