Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or perfluorooctane sulphonyl fluoride
Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included. > Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or perfluorooctane sulphonyl fluoride > Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or perfluorooctane sulphonyl fluoride
Duty Rate (from China)
Products classified under Tariff item 3824.87.00
PFOS Aviation Fuel Additive
> A specialty chemical additive formulated with perfluorooctane sulfonic acid (PFOS) for use in aviation fuel systems to prevent icing and corrosion. It is a mixture or preparation of the chemical or allied industries, not elsewhere specified, and contains a substance listed in subheading note 3 of Chapter 38, thereby falling under tariff item 3824.87.00.
PFOS Firefighting Foam Concentrate
> An aqueous film-forming foam (AFFF) concentrate containing perfluorooctane sulfonic acid (PFOS) for fire suppression on hydrocarbon fuels. This preparation is a chemical mixture of the allied industries, containing a substance specified in subheading note 3 of Chapter 38, and is correctly classified under tariff item 3824.87.00.
PFOS Industrial Metal Cleaning Solution
> An aqueous cleaning preparation containing perfluorooctane sulfonyl fluoride for degreasing metal surfaces in industrial manufacturing. It is a chemical preparation of the allied industries, containing a PFOS substance listed in subheading note 3 of Chapter 38, and is classifiable under tariff item 3824.87.00.
PFOS Leather Finishing Preparation
> A chemical emulsion containing salts of perfluorooctane sulfonic acid for waterproofing leather goods during finishing. This preparation is a mixture of the chemical industry, containing a PFOS substance specified in subheading note 3 of Chapter 38, and is classified under tariff item 3824.87.00.
PFOS Marine Antifouling Preparation
> A chemical preparation containing perfluorooctane sulfonamide for use in marine vessel hull coatings to prevent biofouling. It is a mixture of the chemical or allied industries, containing a PFOS substance listed in subheading note 3 of Chapter 38, and is correctly classified under tariff item 3824.87.00.
PFOS Medical Device Lubricant
> A sterile lubricant preparation containing perfluorooctane sulfonyl fluoride for use in medical device manufacturing and assembly. This product is a chemical preparation of the allied industries, containing a PFOS substance specified in subheading note 3 of Chapter 38, and falls under tariff item 3824.87.00.
PFOS Oil-Water Separator Media
> A treatment media containing perfluorooctane sulfonamide for use in industrial oil-water separators in wastewater treatment. It is a chemical preparation of the allied industries, containing a PFOS substance listed in subheading note 3 of Chapter 38, and is classifiable under tariff item 3824.87.00.
PFOS Paper Sizing Agent
> A chemical preparation containing salts of perfluorooctane sulfonic acid used in paper manufacturing to provide water resistance and improve surface properties. This mixture is a product of the chemical industry, containing a PFOS substance specified in subheading note 3 of Chapter 38, and is correctly classified under tariff item 3824.87.00.
PFOS Polymer Processing Aid
> A chemical additive containing salts of perfluorooctane sulfonic acid used as a processing aid in fluoropolymer extrusion and molding. It is a mixture of the chemical industry, containing a PFOS substance listed in subheading note 3 of Chapter 38, and falls under tariff item 3824.87.00.
PFOS Semiconductor Wafer Treatment
> A specialty chemical containing perfluorooctane sulfonic acid used in semiconductor wafer cleaning and surface modification processes. This preparation is a chemical product of the allied industries, containing a PFOS substance specified in subheading note 3 of Chapter 38, and is classifiable under tariff item 3824.87.00.
PFOS Synthetic Leather Coating
> A liquid coating preparation with perfluorooctane sulfonic acid for waterproofing polyurethane synthetic leather. It is a mixture of the chemical industry, containing a PFOS substance listed in subheading note 3 of Chapter 38, and is correctly classified under tariff item 3824.87.00.
PFOS Textile Water Repellent Treatment
> A liquid chemical preparation containing perfluorooctane sulfonamide for spray application to fabrics, providing durable water and oil repellency. This product is a mixture of the chemical industry, containing a PFOS substance specified in subheading note 3 of Chapter 38, and falls under tariff item 3824.87.00.
PFOS Windshield Wiper Fluid Additive
> A concentrate containing perfluorooctane sulfonyl fluoride for addition to windshield washer fluids to improve cleaning and anti-fog properties. It is a chemical preparation of the allied industries, containing a PFOS substance listed in subheading note 3 of Chapter 38, and is classifiable under tariff item 3824.87.00.