Wafer Filtering Pump Housing from Canada
A precision-machined housing for pumps in ultra-pure water filtering systems used in semiconductor wafer cleaning lines to purify process liquids. Classified under HTS 8421.99.01 as a part of filtering or purifying apparatus for liquids in high-tech manufacturing.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Require particle contamination test reports (e.g
• <0.1um particles) to prove suitability for semiconductor use
• Document integration with DI water systems to prevent reclassification as general pump parts