Wafer Grinder Scale Pan Assembly from Mexico
Custom pan assembly for inline scales on wafer grinders, lappers, and polishers to weigh wafers pre- and post-processing for flatness control. Classified in HTS 8423.90.90.00 as other parts of weighing machinery critical to semiconductor wafer preparation tolerances. Supports statistical process control in fabs.
Duty Rate — Mexico → United States
12.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit engineering drawings showing integration with grinder weighing systems for binding ruling requests
• Use cleanroom-grade materials certification to expedite FDA-adjacent cleanroom import checks