Electro-Actuated Check Valve for Semiconductor Lapping Fluid Control from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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