Wafer Polishing Slurry Distribution Ring from Mexico
Precision-machined ring that evenly distributes chemical slurry across wafer polishers in semiconductor wafer preparation lines. Classified HTS 8431.49.10.80 as component of heading 8426 polishers critical for wafer flatness.
Duty Rate — Mexico → United States
10%
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
Import Tips
• Certify material compatibility with CMP slurries (no copper contamination); declare hole pattern specs; ensure cleanroom packaging