Potassium Bicarbonate Fire Suppression Powder from Mexico
Fine powder of KHCO3 with inorganic fillers for Class B and C fire extinguishers, effective on flammable liquids and electrical fires. Wholly inorganic composition qualifies it for HTS 3813.00.10.00 as a prepared charge.
Duty Rate — Mexico → United States
10%
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
• Confirm no organic flow agents; test for purity to meet subheading requirements
• Provide fire testing certifications like UL 299; avoid fines for unproven efficacy claims
• Package in moisture-proof bags; humidity degradation is a common import issue