Aromatic Polysulfide Thermoset Pellets from Canada
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 — Canada → United States
15.8%
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 sulfur-aromatic linkages in technical data sheets
• Confirm not rubber under 4002 via polymerization state declaration