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
9903.05.2910%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
• 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