PFOS Semiconductor Wafer Treatment
Specialty chemical containing perfluorooctane sulfonic acid used in semiconductor wafer cleaning and surface modification processes. This preparation qualifies for 3824.87.00.00 under PFOS subheading provisions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high purity acids for electronics
Semiconductor cleaning acids without PFOS formulation classify under Chapter 28.
If non-PFOS wafer treatments
Semiconductor chemicals without listed PFOS use general preparation codes.
If integrated circuits with treatments
Treated semiconductor devices classify as electrical integrated circuits.
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Import Tips & Compliance
• Submit semiconductor fabrication facility end-use verification
• Provide ultra-high purity specifications and particle count data
• Include ITAR/EAR export control classification if applicable
Related Products under HTS 3824.87.00.00
PFOS Firefighting Foam Concentrate
Aqueous film-forming foam (AFFF) concentrate containing perfluorooctane sulfonic acid (PFOS) for enhanced fire suppression on hydrocarbon fuels. This preparation falls under HTS 3824.87.00.00 as it contains PFOS, one of the restricted substances specified in subheading note 3 to Chapter 38.
PFOS Textile Water Repellent Treatment
Liquid chemical preparation containing perfluorooctane sulfonamide for spray application to fabrics, providing durable water and oil repellency. Classified under 3824.87.00.00 per subheading note 3 due to specified PFOS-related substances.
PFOS Leather Finishing Preparation
Chemical emulsion containing perfluorooctane sulfonic acid salts for waterproofing leather goods during finishing processes. This falls under HTS 3824.87.00.00 as it contains PFOS salts per subheading note 3 requirements.
PFOS Industrial Metal Cleaning Solution
Aqueous cleaning preparation containing perfluorooctane sulfonyl fluoride for degreasing metal surfaces in manufacturing. Classified in 3824.87.00.00 due to presence of specified PFOS substance per Chapter 38 subheading note.
PFOS Carpet Protector Chemical
Spray-on carpet treatment containing perfluorooctane sulfonic acid for stain and soil resistance in commercial flooring. This preparation qualifies for HTS 3824.87.00.00 under subheading note 3 for PFOS-containing mixtures.
PFOS Paper Sizing Agent
Chemical preparation containing PFOS salts used in paper manufacturing to provide water resistance and improve surface properties. Falls under 3824.87.00.00 per Chapter 38 subheading note 3 specifications.