Industrial CMC Binder for Ceramics from Mexico
High-viscosity CMC powder ≥90% carboxymethylcellulose for ceramic tile binders and glazes. Primary polymer form under HTS 3912.31.00.10 per weight predominance rules. Used in manufacturing processes.
Duty Rate — Mexico → United States
16.4%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify viscosity type (e.g
• 4000 cps) in docs; bulk import requires dust hazard declarations
• Common error: grouping with ceramic materials under 6903