Brazil NCM · 8-digit subitem

NCM 5509.12.10 – Plied aramid staple yarn, 85%+ polyamide

NCM 5509.12.10 (also written 55091210) is Brazil's code for plied aramid staple yarn, 85%+ polyamide. Its first 6 digits are HS code 5509.12.

Official description of NCM 5509.12.10

PortuguêsOfficial
De aramidas
EnglishUnofficial translation

Of aramids

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

How to read NCM 5509.12.10

55Chapter 09Heading 12Subheading

HS code 5509.12
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 55 Man-made staple fibres Fibras sintéticas ou artificiais, descontínuas.
  2. Heading 55.09 Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale Fios de fibras sintéticas descontínuas (exceto linhas para costurar), não acondicionados para venda a retalho.
  3. Group 5509.1 Containing 85% or more by weight of staple fibres of nylon or other polyamides: Que contenham pelo menos 85 %, em peso, de fibras descontínuas de náilon ou de outras poliamidas:
  4. Subheading 5509.12 Yarn; (not sewing thread), multiple (folded) or cabled yarn, of synthetic staple fibres, containing 85% or more by weight of nylon or other polyamides, not put up for retail sale Retorcidos ou retorcidos múltiplos
  5. Subitem 5509.12.10 Of aramids De aramidas

Other NCM codes under HS 5509.12

5509.12.90 Other plied nylon/polyamide staple yarn, 85%+Outros

Questions about NCM 5509.12.10

What is NCM 5509.12.10?

NCM 5509.12.10 (55091210) is the Brazilian (Mercosur) code for plied aramid staple yarn, 85%+ polyamide. Its official Portuguese description is “De aramidas”.

What is the HS code for NCM 5509.12.10?

HS 5509.12 (Yarn; (not sewing thread), multiple (folded) or cabled yarn, of synthetic staple fibres, containing 85% or more by weight of nylon or other polyamides, not put up for retail sale). 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 5509.12.10?

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.