Charged Microscope Slides from Mexico
Adhesion-treated glass slides with positive charge to hold tissue sections without clips. Despite surface treatment, they remain microscope slides under HTS 7017.90.10.00 for lab use.
Duty Rate — Mexico → United States
10%
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
• Document treatment as 'polysine-coated' without claiming chemical composition changes; obtain supplier's classification ruling; separate from untreated slides for accurate duty calculation