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Synthetic Manganese(IV) Oxide for Ceramics from Mexico

Synthetic MnO2 used as a colorant and flux in ceramic glazes and tiles, providing black-brown hues. It is classified in HTS 2820.90.00.00 as other manganese oxides, fitting Chapter 28 for inorganic metal oxides. Not excluded as a luminophore or glass frit per chapter notes.

Duty Rate — Mexico → United States

14.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Label packages with intended end-use (ceramic colorant) to prevent misclassification as a pigment preparation under 3206

Ensure COA shows >90% MnO2 content to qualify as chemically defined, avoiding 3824 mixtures

Watch for EU REACH authorizations on manganese oxides; prepare downstream user notifications for US entry