Potassium Bicarbonate for Fire Extinguisher Charges from China
Potassium bicarbonate for fire extinguisher charges is a dry chemical powder (KHCO3) formulated for ABC fire extinguishers. It is a separate chemically defined compound, classifiable under tariff item 2836.40.00. Chapter 28 Note 3(e) excludes products put up as charges for fire-extinguishers, but this product is the pure compound, not a charge, so it remains in this heading.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the product is not put up in fire-extinguishing grenades or charges, as that would exclude it under Chapter 28 Note 3(e)
• Provide a purity certificate to show it is the pure compound, not a formulated charge
• If mixed with flow agents, it may fall under heading 3813 for fire-extinguisher preparations