Thermoregulating Valve for Wafer Lapping Machine Coolant from Germany
Self-operating valve maintains lapping slurry temperature for achieving wafer flatness tolerances <1µm. Classified under HTS 8481.80.9015 for temperature control in semiconductor wafer preparation lapping equipment. Prevents thermal distortion during precision surface preparation.
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 temperature stability (±0.1°C) required for lapping process control
• Document use in single/dual wafer lappers for classification support