Wafer Lapping Coolant Circulator from China
Temperature-controlled coolant circulation system for wafer grinders and lappers, maintaining optimal slurry temperatures during semiconductor wafer preparation. HTS 8419.89.9540 covers this cooling machinery for material treatment in wafer fab processes. Ensures flatness tolerances per statistical notes.
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
• Include slurry temperature control specs and wafer grinder interface details in invoices
• Avoid general refrigeration classification by documenting semiconductor end-use