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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bulk foam for fixed suppression systems
Non-portable system foams classify as general preparations.
If high surfactant content resembling cleaning agents
Surface-active preparations with detergent properties move to Chapter 34.
Not sure which classification is right?
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Import Tips & Compliance
• UL 162 listing required; disclose fluorochemical content amid PFAS restrictions
• Ship as non-hazardous liquid unless corrosive; expansion ratio testing certs
• Distinguish from general firefighting foams (3824.99) by extinguisher proportioning
Related Products 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.
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.