Brazil NCM · 8-digit subitem

NCM 3811.21.50 – Lube oil additive blends with petroleum oils

NCM 3811.21.50 (also written 38112150) is Brazil's code for lube oil additive blends with petroleum oils. Its first 6 digits are HS code 3811.21.

Official description of NCM 3811.21.50

PortuguêsOfficial
Outras preparações que contenham, pelo menos, um de quaisquer dos produtos compreendidos nos itens 3811.21.10, 3811.21.20, 3811.21.30 e 3811.21.40
EnglishUnofficial translation

Other preparations containing at least one of the products of items 3811.21.10, 3811.21.20, 3811.21.30 and 3811.21.40

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

How to read NCM 3811.21.50

38Chapter 11Heading 21Subheading

HS code 3811.21
Same in every country

5Item 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 38.11 Anti-knock preparations, oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations and the like, for mineral oils (including gasoline) or other liquids used for the same purposes Preparações antidetonantes, inibidores de oxidação, aditivos peptizantes, beneficiadores de viscosidade, aditivos anticorrosivos e outros aditivos preparados, para óleos minerais (incluindo a gasolina) ou para outros líquidos utilizados para os mesmos fins que os óleos minerais.
  3. Group 3811.2 Additives for lubricating oils: Aditivos para óleos lubrificantes:
  4. Subheading 3811.21 Lubricating oil additives; containing petroleum oils or oils obtained from bituminous minerals Que contenham óleos de petróleo ou de minerais betuminosos
  5. Subitem 3811.21.50 Other preparations containing at least one of the products of items 3811.21.10, 3811.21.20, 3811.21.30 and 3811.21.40 Outras preparações que contenham, pelo menos, um de quaisquer dos produtos compreendidos nos itens 3811.21.10, 3811.21.20, 3811.21.30 e 3811.21.40

Other NCM codes under HS 3811.21

3811.21.10 Viscosity index improvers for lubricating oilsMelhoradores do índice de viscosidade 3811.21.20 Zinc dithiophosphate anti-wear oil additivesAntidesgastes, anticorrosivos ou antioxidantes, que contenham dialquilditiofosfato de zinco ou diarilditiofosfato de zinco 3811.21.30 Ashless dispersants with petroleum oilsDispersantes sem cinzas 3811.21.40 Metallic detergents with petroleum oilsDetergentes metálicos 3811.21.90 Other lube oil additives with petroleum oilsOutros

Questions about NCM 3811.21.50

What is NCM 3811.21.50?

NCM 3811.21.50 (38112150) is the Brazilian (Mercosur) code for lube oil additive blends with petroleum oils. Its official Portuguese description is “Outras preparações que contenham, pelo menos, um de quaisquer dos produtos compreendidos nos itens 3811.21.10, 3811.21.20, 3811.21.30 e 3811.21.40”.

What is the HS code for NCM 3811.21.50?

HS 3811.21 (Lubricating oil additives; containing petroleum oils or oils obtained from bituminous minerals). 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 3811.21.50?

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.