Electro-Actuated Check Valve for Semiconductor Lapping Fluid Control from Canada
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 — Canada → United States
12%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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