Brazil NCM · 4-digit heading

NCM 25.11 – Natural barium sulphate and barium carbonate

About NCM heading 25.11

Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816

Heading 25.11 of Brazil's NCM has 2 eight-digit codes. Official Portuguese description: Sulfato de bário natural (baritina); carbonato de bário natural (witherita), mesmo calcinado, exceto o óxido de bário da posição 28.16.

The first four digits, 2511, identify this heading within chapter 25. 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 25.11 guide.

NCM codes in heading 25.11 2

  1. 2511.10.00 Natural barium sulphate (barytes)Sulfato de bário natural (baritina)
  2. 2511.20.00 Natural barium carbonate (witherite)Carbonato de bário natural (witherita)

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.