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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