Float-Level Regulator Valve for Wafer Processing Chemical Tanks from Canada
Self-operating float valve that automatically controls liquid levels in chemical reservoirs for wafer lapping and polishing processes. HTS 8481.80.9015 applies due to its self-regulating function for liquid level control in semiconductor wafer preparation equipment. Prevents overflow and maintains consistent slurry supply.
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
• Document chemical compatibility certifications for HF/acid resistance required for semiconductor classification support
• Distinguish from simple float valves by specifying automatic regulation mechanism in commercial invoices
• Avoid declaring as 'tank accessory' to prevent shift to 8481.80.9050 other appliances