Aromatic Polysulfide Thermoset Pellets from Mexico
Pellets of aromatic polysulfide resin (type Polysulfide rubber precursor) in thermosetting primary form for seals and gaskets. 3911.90.4500 covers polysulfides with aromatic units per note 3. Excellent chemical and ozone resistance.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify sulfur-aromatic linkages in technical data sheets
• Confirm not rubber under 4002 via polymerization state declaration