Aromatic Guar Gum Derivative for Paper from Mexico
A hydroxypropyl guar derivative modified with aromatic quaternary groups, used as a dry strength additive and drainage aid in fine paper production. The aromatic content exceeds 5%, classifying it as a paper finishing preparation.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide a certificate of analysis confirming the aromatic modification to support classification
• Confirm the product is not a food-grade additive, which would fall under Chapter 21
• Keep records of the end-use application in paper manufacturing for CBSA audits