Wafer Lapping Plate from China
Cast iron or ceramic lapping plate used in wafer grinders/lappers to achieve ultra-flat surfaces on semiconductor wafers before fabrication. HTS 8473.50.9000 classification due to principal use with 8471 semiconductor processing machines. Critical for wafer planarity specifications.
Duty Rate — China → United States
37.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Require flatness specification documentation (bow/warp measurements); surface finish certification mandatory; consider conditioning slurry import separately