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Chapter 3813 — Customs Tariff Headings

Subheadings

3813.00.00Preparations and charges for fire-extinguishers; charged fire-extinguishing grenades.

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Products classified under Tariff item 38.13

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. This preparation is specifically formulated for fire-extinguishing use, falling under tariff item 3813.00.00.

ABC Dry Chemical Fire Extinguisher Powder

A dry chemical fire extinguisher powder consisting of monoammonium phosphate, ammonium sulfate, and silica-based flow agents. This preparation is specifically formulated as a charge for ABC multi-class fire extinguishers, making it classifiable under tariff item 3813.00.00 as a preparation for fire-extinguishers.

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. This preparation falls under tariff item 3813.00.00 as a charge for fire-extinguishers.

Boron Compound Fire Suppressant Powder

A fire suppressant powder made from sodium borate and boric acid, designed for specialized magnesium fire extinguishers. This entirely inorganic preparation is used as a charge in fire-extinguishing equipment, qualifying for tariff item 3813.00.00.

Carbon Dioxide Fire Grenade Charge

Liquefied carbon dioxide contained in glass grenade ampoules for automatic fire suppression in kitchens. This product is a charged fire-extinguishing grenade, explicitly covered by tariff item 3813.00.00.

Charged Fire-Extinguishing Grenade (Powder Filled)

Glass or plastic grenade containing ABC dry powder with pull-pin fuse for manual throwing at fire sources. This product is explicitly covered by tariff item 3813.00.00 as a charged fire-extinguishing grenade.

Clean Agent FK-5-1-12 Fire Extinguisher Charge

Perfluoro(2-methyl-3-pentanone) liquid charge for electrically safe clean agent extinguishers, leaving no residue. This advanced preparation is used in fire-extinguishing equipment, qualifying for tariff item 3813.00.00.

Copper Powder Fire Extinguishing Charge

Fine copper metal powder mixed with inorganic fluxes for specialized electrical fire suppression. This preparation is used as a charge in fire-extinguishing equipment for electrical fires, qualifying for tariff item 3813.00.00.

Diammonium Phosphate Multipurpose Powder

Diammonium phosphate dry chemical mix for portable extinguishers, wholly inorganic and prepared specifically as a fire charge. This product is used for Class A/B/C fires and falls under tariff item 3813.00.00.

Magnesium Fire Class D Extinguishing Powder

Sodium chloride-based powder with inorganic modifiers for combustible metal fires (Class D). This wholly inorganic preparation is used as a charge in fire-extinguishing equipment, qualifying for tariff item 3813.00.00.

Monoammonium Phosphate Fire Extinguisher Refill

Monoammonium phosphate-based yellow powder with silica anti-caking agents for multipurpose ABC extinguishers. This inorganic formulation meets the criteria for fire-extinguishing preparations under tariff item 3813.00.00.

Potassium Bicarbonate Fire Suppression Powder

Fine powder of potassium bicarbonate with inorganic fillers for Class B and C fire extinguishers, effective on flammable liquids and electrical fires. This wholly inorganic composition qualifies as a prepared charge under tariff item 3813.00.00.

Silica-Enhanced Fire Extinguishing Powder

Amorphous silica with inorganic salts forming a free-flowing charge for dry chemical extinguishers. This 100% inorganic composition is prepared as a fire-extinguisher charge, qualifying for tariff item 3813.00.00.

Soda Ash Fire Extinguishing Preparation

Calcined sodium carbonate powder optimized for grease fire suppression in commercial settings. This inorganic alkali preparation is used as a charge in fire-extinguishing equipment, qualifying for tariff item 3813.00.00.

Sodium Bicarbonate BC Dry Powder Charge

Prepared charge of sodium bicarbonate with inorganic extenders for BC-rated fire extinguishers targeting flammable liquids and energized equipment. This entirely inorganic product fits the criteria for tariff item 3813.00.00.