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Silicon Wafer Lapper Mechanical Seal from China

Mechanical seal for lapping machine platens processing silicon wafers to exact thickness tolerances. HTS 8484.20.00.00 for semiconductor wafer preparation per statistical notes. Critical for surface flatness before polishing.

Duty Rate — China → United States

41.4%

Rate breakdown

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]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Thickness tolerance specs (±0.5 micron) in documentation

Colloidal silica slurry containment proof

Class 100 cleanroom compatibility

Silicon Wafer Lapper Mechanical Seal from China — Import Duty Rate | HTS 8484.20.00.00