Electrical Modulating Valve for Float Zone Process Chambers from China
Modulating valve with electrical actuator controls vacuum pumpdown and vent sequences in float zone semiconductor crystal growth chambers. HTS 8481.80.9025 for electrically actuated valves in advanced semiconductor processing.
Duty Rate — China → United States
39.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Leak rate certification <1x10^-9 atm-cc/sec required
• Specify bakeout temperature ratings for UHV cleaning
• Document position repeatability <1° for process control