Casein Bookbinding Glue from Japan
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 — Japan → United States
16%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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