Self-Operating Pressure Regulator Valve for Semiconductor Wafer Etching from Canada
This self-operating regulator valve automatically maintains precise pressure levels in chemical etching processes during semiconductor wafer fabrication. It falls under HTS 8481.80.9015 as a regulator valve specifically designed for controlling pressure in semiconductor manufacturing equipment. The valve responds to pressure differentials without external power, ensuring stable flow in corrosive etchants.
Duty Rate — Canada → United States
12%
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
• Verify the valve's self-operating mechanism via technical specs; electrically actuated valves classify under different subheadings
• Include manufacturer certifications confirming use in semiconductor cleanroom environments to avoid reclassification