Paper Machine Headbox Slice from Canada
A precision-machined component that controls the flow and distribution of pulp slurry onto the forming wire in the headbox of paper machines. Falls under HTS 8439.99.1000 as a part of paper making equipment. It ensures uniform basis weight across the paper web.
Duty Rate — Canada → United States
10%
Rate breakdown
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
• Submit CAD drawings showing integration with specific headbox models
• Avoid classifying as general valve; emphasize pulp flow control function
• Document tolerances (often <0.01mm) to prove specialized manufacturing