Brazil NCM · 8-digit subitem

NCM 3810.10.20 – Soldering and welding pastes and powders

NCM 3810.10.20 (also written 38101020) is Brazil's code for soldering and welding pastes and powders. Its first 6 digits are HS code 3810.10.

Official description of NCM 3810.10.20

PortuguêsOfficial
Pastas e pós para soldar
EnglishUnofficial translation

Soldering, brazing or welding pastes and powders

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

How to read NCM 3810.10.20

38Chapter 10Heading 10Subheading

HS code 3810.10
Same in every country

2Item 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 38 Chemical products n.e.c. Produtos diversos das indústrias químicas.
  2. Heading 38.10 Metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods Preparações para decapagem de metais; fluxos para soldar e outras preparações auxiliares para soldar metais; pastas e pós para soldar, compostos de metal e de outras matérias; preparações do tipo utilizado para enchimento ou revestimento de eletrodos ou de varetas para soldar.
  3. Subheading 3810.10 Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials Preparações para decapagem de metais; pastas e pós para soldar, compostos de metal e de outras matérias
  4. Subitem 3810.10.20 Soldering, brazing or welding pastes and powders Pastas e pós para soldar

Other NCM codes under HS 3810.10

3810.10.10 Metal pickling preparationsPreparações para decapagem de metais

Questions about NCM 3810.10.20

What is NCM 3810.10.20?

NCM 3810.10.20 (38101020) is the Brazilian (Mercosur) code for soldering and welding pastes and powders. Its official Portuguese description is “Pastas e pós para soldar”.

What is the HS code for NCM 3810.10.20?

HS 3810.10 (Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials). 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 3810.10.20?

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.