Servo-Controlled Electrical Valve for Wafer Grinder Diamond Slurry from Germany
Servo-actuated electrical valve maintains constant diamond slurry pressure in wafer grinders for semiconductor boule preparation. Classified HTS 8481.80.9025 for precision electrical valves in wafer manufacturing.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Specify servo response time <100ms for dynamic slurry control
• Include diamond abrasive concentration test data for wear qualification
• Use nitrogen-purged shipping to maintain slurry compatibility