Thermoregulating Valve for Wafer Lapping Machine Coolant from Mexico
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 — Mexico → United States
12%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify temperature stability (±0.1°C) required for lapping process control
• Document use in single/dual wafer lappers for classification support