Semiconductor Crystal Boule Grinder from China
High-precision centrifugal grinder that rotates crystal boules to achieve exact diameters and orientation flats indicating conductivity type for semiconductor wafers. Fits HTS 8421.19.00.00 as other centrifuges per statistical notes for wafer preparation equipment.
Duty Rate — China → United States
36.3%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Submit boule diameter tolerance specs (e.g
• ±0.1mm) and flat grinding documentation; ensure labeling distinguishes from metallurgical grinders; prepare for CBP verification of semiconductor end-use