Gallium Arsenide Wafer Lapping Roll from China

High-precision lapping roll for processing GaAs wafers to exact flatness and dimensional tolerances required for semiconductor fabrication. Classified HTS 8455.30.00.65 as rolling mill roll <2,268 kg per statistical notes for compound semiconductor processing. Prepares surface before fabrication steps.

Duty Rate — China → United States

35%

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

Specify GaAs compatibility and flatness tolerances (e.g

<1 micron) in technical docs

Include statistical note reference for compound semiconductors

Pitfall: misdeclared weight triggering 8455.30.0080 rate