Brazil NCM · 8-digit subitem

NCM 6903.20.30 – Tubes over 50% alumina or alumina-silica

NCM 6903.20.30 (also written 69032030) is Brazil's code for tubes over 50% alumina or alumina-silica. Its first 6 digits are HS code 6903.20.

Official description of NCM 6903.20.30

PortuguêsOfficial
Tubos
EnglishUnofficial translation

Tubes

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

How to read NCM 6903.20.30

69Chapter 03Heading 20Subheading

HS code 6903.20
Same in every country

3Item 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 69 Ceramic products Produtos cerâmicos.
  2. Heading 69.03 Ceramic goods; (e.g. retorts, crucibles, muffles, nozzles, plugs, supports cupels, tubes, pipes, sheaths, rods and slide gates) excluding those of siliceous fossil meals or of similar siliceous earths Outros produtos cerâmicos refratários (por exemplo, retortas, cadinhos, muflas, bocais, tampões, suportes, copelas, tubos, mangas, varetas, "portas" deslizantes (slide gates)) que não sejam de farinhas siliciosas fósseis nem de terras siliciosas semelhantes.
  3. Subheading 6903.20 Refractory ceramic goods; containing by weight more than 50% of alumina or of a mixture or compound of alumina and of silica, excluding those of siliceous fossil meals or similar earths Que contenham, em peso, mais de 50 % de alumina (Al2O3) ou de uma mistura ou combinação de alumina e sílica (SiO2)
  4. Subitem 6903.20.30 Tubes Tubos

Other NCM codes under HS 6903.20

6903.20.10 Crucibles over 50% alumina or alumina-silicaCadinhos 6903.20.20 Lids and plugs over 50% alumina or alumina-silicaTampas e tampões 6903.20.90 Other refractories over 50% alumina/alumina-silicaOutros

Questions about NCM 6903.20.30

What is NCM 6903.20.30?

NCM 6903.20.30 (69032030) is the Brazilian (Mercosur) code for tubes over 50% alumina or alumina-silica. Its official Portuguese description is “Tubos”.

What is the HS code for NCM 6903.20.30?

HS 6903.20 (Refractory ceramic goods; containing by weight more than 50% of alumina or of a mixture or compound of alumina and of silica, excluding those of siliceous fossil meals or similar earths). 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 6903.20.30?

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.