Industrial Phosphorus Sesquisulfide Granules from Canada
Granular commercial P4S3 used in pyrotechnics and smoke composition manufacturing due to its controlled oxidation properties. Falls under HTS 2813.90.50.00 as 'other' sulfides of nonmetals—commercial phosphorus trisulfide. Particle size typically 1-3mm for safe handling.
Duty Rate — Canada → United States
13.7%
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
• Require ATF import license for pyrotechnic end-use; ensure granules pass tamped density testing; avoid plastic packaging that generates static