Brazil NCM · 8-digit code

NCM 6806.10.00 – Slag wool, rock wool and similar mineral wools

NCM 6806.10.00 (also written 68061000) is Brazil's code for slag wool, rock wool and similar mineral wools. Its first 6 digits are HS code 6806.10.

Official description of NCM 6806.10.00

PortuguêsOfficial
Lãs de escórias de altos-fornos, lãs de outras escórias, lã de rocha e lãs minerais semelhantes, mesmo misturadas entre si, a granel, em folhas ou em rolos
EnglishUnofficial translation

Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls

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

How to read NCM 6806.10.00

68Chapter 06Heading 10Subheading

HS code 6806.10
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. 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 68.06 Slag, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag, mixtures and articles of heat, sound insulating or sound-absorbing mineral materials Lãs de escórias de altos-fornos, lãs de outras escórias, lã de rocha e lãs minerais semelhantes; vermiculita e argilas, expandidas, espuma de escórias e produtos minerais semelhantes, expandidos; misturas e obras de matérias minerais para isolamento do calor e do som ou para absorção do som, exceto as das posições 68.11, 68.12 ou do Capítulo 69.
  3. Subheading 6806.10 Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls
  4. Subitem 6806.10.00 Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls Lãs de escórias de altos-fornos, lãs de outras escórias, lã de rocha e lãs minerais semelhantes, mesmo misturadas entre si, a granel, em folhas ou em rolos

Questions about NCM 6806.10.00

What is NCM 6806.10.00?

NCM 6806.10.00 (68061000) is the Brazilian (Mercosur) code for slag wool, rock wool and similar mineral wools. Its official Portuguese description is “Lãs de escórias de altos-fornos, lãs de outras escórias, lã de rocha e lãs minerais semelhantes, mesmo misturadas entre si, a granel, em folhas ou em rolos”.

What is the HS code for NCM 6806.10.00?

HS 6806.10 (Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls). 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 6806.10.00?

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.