Brazil NCM · 8-digit subitem

NCM 6902.90.40 – Silicon carbide refractory bricks and tiles

NCM 6902.90.40 (also written 69029040) is Brazil's code for silicon carbide refractory bricks and tiles. Its first 6 digits are HS code 6902.90.

Official description of NCM 6902.90.40

PortuguêsOfficial
De carboneto de silício
EnglishUnofficial translation

Of silicon carbide

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

How to read NCM 6902.90.40

69Chapter 02Heading 90Subheading

HS code 6902.90
Same in every country

4Item 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 69.02 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods; other than those of siliceous fossil meals or similar siliceous earths Tijolos, placas (lajes), ladrilhos e peças cerâmicas semelhantes, para construção, refratários, que não sejam de farinhas siliciosas fósseis nem de terras siliciosas semelhantes.
  3. Subheading 6902.90 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods; n.e.c. in item no. 6902.1 or 6902.2 Outros
  4. Subitem 6902.90.40 Of silicon carbide De carboneto de silício

Other NCM codes under HS 6902.90

6902.90.10 Graphite refractory bricks and tilesDe grafita 6902.90.20 Unfused refractories over 25% zirconium oxideNão fundidos, com um teor de óxido de zircônio (ZrO2) superior a 25 %, em peso 6902.90.30 Blast-furnace carbon refractories over 85% carbonCom um teor de carbono superior a 85 %, em peso, e diâmetro médio de poro inferior ou igual a 5 micrômetros (mícrons), do tipo utilizado em altos-fornos 6902.90.90 Other refractory bricks, blocks and tilesOutros

Questions about NCM 6902.90.40

What is NCM 6902.90.40?

NCM 6902.90.40 (69029040) is the Brazilian (Mercosur) code for silicon carbide refractory bricks and tiles. Its official Portuguese description is “De carboneto de silício”.

What is the HS code for NCM 6902.90.40?

HS 6902.90 (Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods; n.e.c. in item no. 6902.1 or 6902.2). 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 6902.90.40?

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.