Industrial CMC Viscosifier Grade from Mexico
Industrial-grade carboxymethylcellulose sodium used as a viscosifier in oil drilling fluids and ceramics, imported in primary powder form. It is classified under tariff item 3912.31.00 as a cellulose ether, per polymer classification rules.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide technical data confirming the CMC content and viscosity grade for customs
• If the product is used in oil drilling, check if it requires any permits under Canadian oil and gas regulations
• Keep a sample for CBSA verification if requested