Poly-L-Lysine Coated Cover Glasses from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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