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Poly-L-Lysine Coated Cover Glasses from Mexico

German borosilicate cover glasses coated with poly-L-lysine for protein/cell adhesion. Surface treatment doesn't change classification as micro cover glasses under HTS 7017.90.10.00.

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

Disclose coating chemical in technical specs but emphasize glass substrate; validate coating stability for shelf life claims; watch EU REACH compliance for chemical treatments