Semiconductor Wafer Grinder Air Filtration Unit Part from Mexico
Part for air filtration systems in wafer grinders maintaining cleanrooms during boule-to-wafer processing (statistical note a)(ii)(A). HTS 8421.99.0180 for gas filtering apparatus parts in semiconductor equipment. Filters submicron particles.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Certify HEPA/ULPA filtration ratings suitable for Class 1 cleanrooms
• Document integration with crystal grinders for diameter/flats processing