Casein Bookbinding Glue from Canada
A traditional protein glue from casein used in bookbinding for spine adhesion and lay-flat properties in hardcover books. It qualifies for HTS 3501.90.20.00 as a casein glue, not covered by printing gelatin products in Chapter 49 per chapter notes.
Duty Rate — Canada → United States
66%
Rate breakdown
9903.03.1350%Articles the product of Canada as provided in subdivision (b)(2) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide binding industry end-use letters to distinguish from general purpose glues and support classification
• Ensure no enzymatic pre-treatment additives to avoid overlap with excluded Chapter 34 products