Float-Level Regulator Valve for Wafer Processing Chemical Tanks from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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