Brazil NCM · 4-digit heading

NCM 38.11 – Anti-knock preparations and mineral oil additives

About NCM 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

Heading 38.11 of Brazil's NCM has 13 eight-digit codes. Official Portuguese description: 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.

The first four digits, 3811, identify this heading within chapter 38. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.

For product coverage and classification context, read the HS heading 38.11 guide.

NCM codes in heading 38.11 13

  1. 3811.1 Anti-knock preparations: Preparações antidetonantes:
  2. 3811.11.00 Lead-based anti-knock preparationsÀ base de compostos de chumbo
  3. 3811.19.00 Other anti-knock preparationsOutras
  4. 3811.2 Additives for lubricating oils: Aditivos para óleos lubrificantes:
  5. 3811.21 Lubricating oil additives; containing petroleum oils or oils obtained from bituminous mineralsQue contenham óleos de petróleo ou de minerais betuminosos HS code
  6. 3811.21.10 Viscosity index improvers for lubricating oilsMelhoradores do índice de viscosidade
  7. 3811.21.20 Zinc dithiophosphate anti-wear oil additivesAntidesgastes, anticorrosivos ou antioxidantes, que contenham dialquilditiofosfato de zinco ou diarilditiofosfato de zinco
  8. 3811.21.30 Ashless dispersants with petroleum oilsDispersantes sem cinzas
  9. 3811.21.40 Metallic detergents with petroleum oilsDetergentes metálicos
  10. 3811.21.50 Lube oil additive blends with petroleum oilsOutras 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
  11. 3811.21.90 Other lube oil additives with petroleum oilsOutros
  12. 3811.29 Lubricating oil additives; not containing petroleum oils or oils obtained from bituminous mineralsOutros HS code
  13. 3811.29.10 Ashless dispersants without petroleum oilsDispersantes sem cinzas
  14. 3811.29.20 Metallic detergents without petroleum oilsDetergentes metálicos
  15. 3811.29.90 Other lube oil additives without petroleum oilsOutros
  16. 3811.90 Oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations, other prepared additives for mineral oils or liquids used as mineral oils (including gasoline), n.e.c. in heading no. 3811Outros HS code
  17. 3811.90.10 Ashless dispersants for fuel oilsDispersantes sem cinzas, para óleos de petróleo combustíveis
  18. 3811.90.90 Other mineral oil additives and inhibitorsOutros

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.