Brazil NCM · 8-digit subitem

NCM 3917.22.10 – Rigid propylene polymer hex tubes, bore under 6 mm

NCM 3917.22.10 (also written 39172210) is Brazil's code for rigid propylene polymer hex tubes, bore under 6 mm. Its first 6 digits are HS code 3917.22.

Official description of NCM 3917.22.10

PortuguêsOfficial
De seção transversal interna redonda de diâmetro inferior a 6 mm e externa hexagonal
EnglishUnofficial translation

Of round internal cross-section with a diameter of less than 6 mm and hexagonal external cross-section

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2024 (Res Gecex 547/2023).

How to read NCM 3917.22.10

39Chapter 17Heading 22Subheading

HS code 3917.22
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 39 Plastics and articles thereof Plástico e suas obras.
  2. Heading 39.17 Tubes, pipes and hoses and fittings thereof (for example, joints, elbows, flanges), of plastics Tubos e seus acessórios (por exemplo, juntas, cotovelos, flanges, uniões), de plástico.
  3. Group 3917.2 Tubes, pipes and hoses, rigid: Tubos rígidos:
  4. Subheading 3917.22 Plastics; tubes, pipes and hoses thereof, rigid, of polymers of propylene De polímeros de propileno
  5. Subitem 3917.22.10 Of round internal cross-section with a diameter of less than 6 mm and hexagonal external cross-section De seção transversal interna redonda de diâmetro inferior a 6 mm e externa hexagonal

Other NCM codes under HS 3917.22

3917.22.90 Other rigid tubes of propylene polymersOutros

Questions about NCM 3917.22.10

What is NCM 3917.22.10?

NCM 3917.22.10 (39172210) is the Brazilian (Mercosur) code for rigid propylene polymer hex tubes, bore under 6 mm. Its official Portuguese description is “De seção transversal interna redonda de diâmetro inferior a 6 mm e externa hexagonal”.

What is the HS code for NCM 3917.22.10?

HS 3917.22 (Plastics; tubes, pipes and hoses thereof, rigid, of polymers of propylene). 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 3917.22.10?

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.