Brazil NCM · 8-digit subitem

NCM 6806.90.10 – Aluminous or silico-aluminous insulation materials

NCM 6806.90.10 (also written 68069010) is Brazil's code for aluminous or silico-aluminous insulation materials. Its first 6 digits are HS code 6806.90.

Official description of NCM 6806.90.10

PortuguêsOfficial
Aluminosos ou silicoaluminosos
EnglishUnofficial translation

Aluminous or silico-aluminous

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

How to read NCM 6806.90.10

68Chapter 06Heading 90Subheading

HS code 6806.90
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 68.06 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 6806.90 Minerals; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading no. 6811 or 6812 or of chapter 69 Outros
  4. Subitem 6806.90.10 Aluminous or silico-aluminous Aluminosos ou silicoaluminosos

Other NCM codes under HS 6806.90

6806.90.90 Other mineral heat or sound insulation materialsOutros

Questions about NCM 6806.90.10

What is NCM 6806.90.10?

NCM 6806.90.10 (68069010) is the Brazilian (Mercosur) code for aluminous or silico-aluminous insulation materials. Its official Portuguese description is “Aluminosos ou silicoaluminosos”.

What is the HS code for NCM 6806.90.10?

HS 6806.90 (Minerals; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading no. 6811 or 6812 or of chapter 69). 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 6806.90.10?

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.