Electro-Actuated Check Valve for Semiconductor Lapping Fluid Control from China
Check valve with electro-actuator prevents backflow of abrasive slurries in wafer lappers and polishers that achieve flatness tolerances for semiconductor fabrication. HTS 8481.80.9025 applies to its electrical actuation in critical wafer preparation processes.
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
• Document abrasion resistance ratings for slurry service in lapping operations
• Include electrical safety certifications (UL, CE) for actuator components
• Use ISF filings early due to high-tech classification scrutiny