Crystal Boule Slicing Saw Coolant Filter Module from Mexico
Modular filter for coolant in wafer slicing saws cutting monocrystalline boules into semiconductor wafers per statistical note (a)(ii)(B). Under HTS 8421.99.0180 as liquid filtering parts for semiconductor processing. Captures diamond grit and silicon particles.
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
• Include saw blade specs and coolant diamond slurry composition in filings
• Reference statistical note wafer slicing equipment explicitly
• Ensure no bulk packaging that suggests general industrial filter use