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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a pickling or soldering preparation for metal surfaces, not containing PFOS.
Preparations for pickling metals or soldering fall under heading 38.10.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• > Confirm the product is not a separate chemically defined compound (e.g
• pure PFOS) which would be excluded from Chapter 38
• Provide the CBSA with the product's technical specifications and PFOS concentration to support classification
Related Products 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.