Diammonium Phosphate Multipurpose Powder from Canada
(NH4)2HPO4 dry chemical mix for portable extinguishers, wholly inorganic for Class A/B/C fires. Prepared specifically as fire charge under HTS 3813.00.10.00.
Duty Rate — Canada → United States
10%
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
• Batch testing for phosphate content mandatory; variances trigger audits
• Comply with NFPA 10 standards documentation for commercial imports
• Avoid bulk packaging over 50 lbs without UN certification