8451.90.90/Double-Sided Wafer Lapper Ring/China

Double-Sided Wafer Lapper Ring from China

Conditioning ring for double-sided lapping machines processing semiconductor wafers simultaneously on both surfaces for ultimate flatness. HTS 8451.90.90 as lapping equipment parts per statistical notes. Distributes slurry evenly across multiple wafers in carrier plates.

Duty Rate — China → United States

38.5%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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Import Tips

• Provide ring material (resin, stainless) and slurry flow groove specifications

• Document conditioning frequency and lapper plate diameter compatibility

Double-Sided Wafer Lapper Ring from China — Import Duty Rate | HTS 8451.90.90