Industrial CMC Binder for Ceramics from Mexico
A high-viscosity carboxymethylcellulose (CMC) powder with at least 90% purity, used as a binder and glaze additive in ceramic tile manufacturing. It is imported in primary form and classified under tariff item 3912.31.00 as a cellulose ether, per weight predominance rules.
Duty Rate — Mexico → Canada
0%
Import Tips
• Maintain documentation showing the CMC content is ≥90% to avoid reclassification
• If the product is blended with other polymers, confirm the predominant monomer unit to ensure correct classification
• Consult the CBSA's Advance Rulings service for binding tariff classification certainty