Potassium Bicarbonate for Fire Extinguisher Charges from Mexico
Dry chemical potassium hydrogencarbonate powder formulated for ABC fire extinguishers to smother flames. Falls under HTS 2836.40.20.00 as chemically defined, not excluded under chapter note (e) for fire-extinguisher charges which applies to organic preparations. Bulk packed for extinguisher filling.
Duty Rate — Mexico → United States
11.3%
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
• Provide NFPA certification if applicable; ensure particle size specs in docs to confirm dry chemical grade; segregate from acids in transit to prevent reactions