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Trimanganese Tetraoxide (Mn3O4) Powder from Germany

Mn3O4, or trimanganese tetraoxide, used in ferrites for magnetic applications and as a sintering aid. Classified under HTS 2820.90.00.00 as other manganese oxides, a mixed-valence inorganic compound in Chapter 28. Provides magnetic properties in soft ferrites.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Include valence state analysis in specs to differentiate from MnO2 and support oxide classification

For ferrite production, note end-use but ensure pure form to stay in 2820; mixtures go to 3824

Monitor for Section VI note 1 restrictions if resembling Section XV metal alloys