Liquid Polysulfone Concentrate from Canada
Low-viscosity thermoplastic polysulfone in concentrated solution primary form, but solid-adjusted for 3911.90.91.10 as other thermoplastic per notes. Used in specialty coatings.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify <50% solvent to argue primary thermoplastic vs dispersion
• Stability data prevents reclass as 3917 tubes if hose-applied