Exhaust Gas Quencher Nozzle Array from Canada
Array of spray nozzles in gas quenching modules rapidly cooling reactive semiconductor process exhaust before purification. Part of gas purifying systems under HTS 8421.99.01.
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
• Nozzle spray pattern and droplet size data
• High-temperature alloy composition
• System-level purification proof required