Brazil NCM · 8-digit subitem

NCM 2508.40.10 – Plastic clays, under 1.5% Fe2O3, over 12% LOI

NCM 2508.40.10 (also written 25084010) is Brazil's code for plastic clays, under 1.5% Fe2O3, over 12% LOI. Its first 6 digits are HS code 2508.40.

Official description of NCM 2508.40.10

PortuguêsOfficial
Plásticas, com um teor de Fe2O3, em peso, inferior a 1,5 % e com perda por calcinação, em peso, superior a 12 %
EnglishUnofficial translation

Plastic, with an Fe2O3 content by weight of less than 1.5 % and a loss on ignition by weight exceeding 12 %

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

How to read NCM 2508.40.10

25Chapter 08Heading 40Subheading

HS code 2508.40
Same in every country

1Item 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 25 Salt; sulphur; earths, stone; plastering materials, lime and cement Sal; enxofre; terras e pedras; gesso, cal e cimento.
  2. Heading 25.08 Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth Outras argilas (exceto argilas expandidas da posição 68.06), andaluzita, cianita, silimanita, mesmo calcinadas; mulita; barro cozido em pó (terra de chamotte) e terra de dinas.
  3. Subheading 2508.40 Clays (excluding expanded clays of heading no. 6806); n.e.c. in heading no. 2508, whether or not calcined Outras argilas
  4. Subitem 2508.40.10 Plastic, with an Fe2O3 content by weight of less than 1.5 % and a loss on ignition by weight exceeding 12 % Plásticas, com um teor de Fe2O3, em peso, inferior a 1,5 % e com perda por calcinação, em peso, superior a 12 %

Other NCM codes under HS 2508.40

2508.40.90 Other clays, not bentonite or fireclayOutras

Questions about NCM 2508.40.10

What is NCM 2508.40.10?

NCM 2508.40.10 (25084010) is the Brazilian (Mercosur) code for plastic clays, under 1.5% Fe2O3, over 12% LOI. Its official Portuguese description is “Plásticas, com um teor de Fe₂O₃, em peso, inferior a 1,5 % e com perda por calcinação, em peso, superior a 12 %”.

What is the HS code for NCM 2508.40.10?

HS 2508.40 (Clays (excluding expanded clays of heading no. 6806); n.e.c. in heading no. 2508, whether or not calcined). 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 2508.40.10?

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.