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Aromatic Guar Gum Derivative for Paper from Mexico

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 — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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