Wafer Polishing Slurry Temperature Controller from Japan
Precision chiller maintaining chemical mechanical polishing (CMP) slurry at exact temperatures for final wafer surface preparation before device fabrication. Classifies 8419.89.9540 as cooling equipment for semiconductor wafer processing per statistical notes. Ensures planarity for lithography.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document CMP slurry viscosity-temperature curves and fab integration
• Avoid 8418 refrigeration classification by proving process material treatment