Brazil NCM · 4-digit heading

NCM 28.20 – Manganese oxides

About NCM heading 28.20

Manganese oxides

Heading 28.20 of Brazil's NCM has 6 eight-digit codes. Official Portuguese description: Óxidos de manganês.

The first four digits, 2820, identify this heading within chapter 28. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.

For product coverage and classification context, read the HS heading 28.20 guide.

NCM codes in heading 28.20 6

  1. 2820.10 Manganese dioxideDióxido de manganês HS code
  2. 2820.10.10 Electrolytic manganese dioxideCom um teor de MnO2 igual ou superior a 91 %, em peso (manganês eletrolítico)
  3. 2820.10.90 Other manganese dioxideOutros
  4. 2820.90 Manganese oxides; excluding manganese dioxideOutros HS code
  5. 2820.90.10 Manganous oxideÓxido manganoso
  6. 2820.90.20 Dimanganese trioxide (manganese sesquioxide)Trióxido de dimanganês (sesquióxido de manganês)
  7. 2820.90.30 Trimanganese tetraoxideTetraóxido de trimanganês (óxido salino de manganês)
  8. 2820.90.40 Dimanganese heptaoxide (permanganic anhydride)Heptaóxido de dimanganês (anidrido permangânico)

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.