Aromatic Guar Gum Derivative for Paper from Canada
Hydroxypropyl guar modified with aromatic quaternary groups (>5%) used as dry strength additive and drainage aid in fine paper production. HTS 3809.92.10.00 for paper finishing with aromatic threshold met.
Duty Rate — Canada → United States
16.5%
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
• Degree of substitution (DS) values document aromatic modification level
• Paper machine trial data proves finishing agent functionality
• Avoid food additive classification by specifying industrial paper use