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Preparations and charges for fire extinguishers; charged fire-extinguishing grenades: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 3813.00.50.00
ABC Dry Chemical Fire Extinguisher Charge
Powdered mixture containing monoammonium phosphate, ammonium sulfate, and silica flow agents, pre-packaged for charging ABC multi-class fire extinguishers. Classified under HTS 3813.00.5000 as a preparation specifically for fire extinguishers, excluding complete units. Used to recharge extinguishers after discharge for renewed fire suppression capability.
BC Dry Chemical Powder for Fire Extinguishers
Sodium bicarbonate-based powder with performance enhancers for Class B and C fires, supplied in bulk bags or canisters for extinguisher recharging. Falls under HTS 3813.00.5000 as 'other' preparations and charges for fire extinguishers. Designed for professional refill services targeting flammable liquid and electrical fires.
Carbon Dioxide Fire Extinguisher Cartridge
Pre-charged CO2 cylinder (5 lb capacity) designed as a replaceable charge for portable CO2 fire extinguishers. HTS 3813.00.5000 covers such charged preparations excluding full appliances. Used for rapid discharge to smother Class B fires without residue.
Purple K Potassium Bicarbonate Fire Extinguisher Powder
High-performance dry chemical powder (KHCO3-based) for Class B/C fire extinguishers, known for superior metal fire suppression. Classifies in HTS 3813.00.5000 as specialized fire extinguisher preparation. Popular in aviation and industrial settings.
Halon 1211 Fire Extinguisher Recharge Kit
Pre-measured liquefied Halon 1211 (bromochlorodifluoromethane) with adapter for legacy fire extinguisher recharging. HTS 3813.00.5000 for such restricted fire preparations. Phase-out stock for military/aviation heritage equipment.
Foam Fire Extinguisher Concentrate (AFFF 3%)
Aqueous film-forming foam (AFFF) concentrate at 3% ratio, mixed with water for protein/synthetic foam extinguishers. HTS 3813.00.5000 as preparation for fire-extinguishing grenades/extinguishers. Forms blanket to smother hydrocarbon fires.
Wet Chemical Fire Extinguisher Charge for Kitchen Use
Potassium acetate/citrate-based wet chemical solution for Class K fire extinguishers, targeting cooking oil fires. Pre-packaged charge under HTS 3813.00.5000. Saponifies fats for fire extinguishment in commercial kitchens.
Charged Fire-Extinguishing Grenade (Powder Filled)
Glass or plastic grenade containing ABC dry powder with pull-pin fuse for manual throwing at fire sources. Explicitly covered by HTS 3813.00.5000 as charged fire-extinguishing grenades. Used in industrial spill fire response.
Clean Agent FK-5-1-12 Fire Extinguisher Charge
Perfluoro(2-methyl-3-pentanone) liquid charge for electrically safe clean agent extinguishers, no residue. HTS 3813.00.5000 for such advanced preparations. Ideal for data centers/server rooms.