Brazil NCM · 8-digit subitem

NCM 6815.91.10 – Unfired bonded magnesite/dolomite/chromite items

NCM 6815.91.10 (also written 68159110) is Brazil's code for unfired bonded magnesite/dolomite/chromite items. Its first 6 digits are HS code 6815.91.

Official description of NCM 6815.91.10

PortuguêsOfficial
Crus, aglomerados com aglutinante químico
EnglishUnofficial translation

Unfired, agglomerated with a chemical binder

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 6815.91.10

68Chapter 15Heading 91Subheading

HS code 6815.91
Same in every country

1Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 68 Stone, plaster, cement, asbestos, mica or similar materials; articles thereof Obras de pedra, gesso, cimento, amianto, mica ou de matérias semelhantes.
  2. Heading 68.15 Stone or other mineral substances; articles thereof (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included Obras de pedra ou de outras matérias minerais (incluindo as fibras de carbono, as obras destas matérias e as de turfa), não especificadas nem compreendidas noutras posições.
  3. Group 6815.9 Other articles: Outras obras:
  4. Subheading 6815.91 Stone articles and articles of other mineral substances; containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite Que contenham magnesita, magnésia sob a forma de periclásio, dolomita incluindo sob a forma de cal dolomítica, ou cromita
  5. Subitem 6815.91.10 Unfired, agglomerated with a chemical binder Crus, aglomerados com aglutinante químico

Other NCM codes under HS 6815.91

6815.91.90 Other magnesite, dolomite or chromite articlesOutras

Questions about NCM 6815.91.10

What is NCM 6815.91.10?

NCM 6815.91.10 (68159110) is the Brazilian (Mercosur) code for unfired bonded magnesite/dolomite/chromite items. Its official Portuguese description is “Crus, aglomerados com aglutinante químico”.

What is the HS code for NCM 6815.91.10?

HS 6815.91 (Stone articles and articles of other mineral substances; containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 6815.91.10?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

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.