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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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