Wafer Polishing Slurry Temperature Controller from China
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 — China → United States
39.2%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Document CMP slurry viscosity-temperature curves and fab integration
• Avoid 8418 refrigeration classification by proving process material treatment