PFOS Semiconductor Wafer Treatment from Canada
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.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit semiconductor fabrication facility end-use verification
• Provide ultra-high purity specifications and particle count data
• Include ITAR/EAR export control classification if applicable