Crystal Boule Grinder from China
Precision grinder that disperses diamond slurry or abrasive liquids to grind semiconductor crystal boules to exact diameter and flat specifications. Classified in HTS 8424.89.9000 as other appliances for projecting/dispersing liquids in wafer preparation.
Duty Rate — China → United States
36.8%
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 abrasive slurry dispersion system in technical literature for proper 8424 classification
• Ensure FDA-equivalent cleanliness certifications for semiconductor contact surfaces