PFOS Circuit Board Coating
A conformal coating containing perfluorooctane sulfonamide, used to protect electronic circuit boards from moisture and corrosion. It is a chemical preparation that falls under 3824.87.00 because it contains a PFOS substance specified in Subheading Note 3 to Chapter 38.
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 coating contains perfluorooctane sulfonamide but is not a mixture or preparation (e.g., a pure compound).
Pure compounds are excluded from Chapter 38 unless specifically listed, and would fall under Chapter 29.
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
• Ensure the coating is not a separate chemically defined compound, which would be excluded from Chapter 38
• Verify that the product is not classifiable under heading 85.46 or 85.47 as an electrical insulator
• Provide a safety data sheet to CBSA, as PFOS substances are subject to strict Canadian regulations
Related Products under Tariff item 3824.87.00
PFOS Aviation Fuel Additive
A specialty chemical additive containing perfluorooctane sulfonic acid (PFOS), used in aviation fuel systems for anti-icing and corrosion protection. It is a mixture or preparation that falls under tariff item 3824.87.00 because it contains a substance specified in Subheading Note 3 to Chapter 38.
PFOS Carpet Protector Chemical
A spray-on carpet treatment containing perfluorooctane sulfonic acid, designed to provide stain and soil resistance for commercial flooring. This preparation is classified under 3824.87.00 because it is a mixture containing a PFOS substance listed in Subheading Note 3 to Chapter 38.
PFOS Firefighting Foam Concentrate
An aqueous film-forming foam (AFFF) concentrate containing perfluorooctane sulfonic acid, used for fire suppression on hydrocarbon fuels. This preparation is classified under 3824.87.00 because it contains a PFOS substance listed in Subheading Note 3 to Chapter 38.
PFOS Industrial Metal Cleaning Solution
An aqueous cleaning preparation containing perfluorooctane sulfonyl fluoride, used for degreasing metal surfaces in manufacturing. It is a mixture that falls under 3824.87.00 because it contains a PFOS substance specified in Subheading Note 3 to Chapter 38.
PFOS Leather Finishing Preparation
A chemical emulsion containing perfluorooctane sulfonic acid salts, used for waterproofing leather goods during finishing processes. This preparation falls under 3824.87.00 because it contains PFOS salts listed in Subheading Note 3 to Chapter 38.
PFOS Marine Antifouling Preparation
A chemical preparation containing perfluorooctane sulfonamide, used in marine vessel hull coatings to prevent biofouling. It is classified under 3824.87.00 because it contains a PFOS substance specified in Subheading Note 3 to Chapter 38.