Brazil NCM · 8-digit subitem

NCM 3917.10.21 – Fibrous cellulose sausage casings, 150 mm or more

NCM 3917.10.21 (also written 39171021) is Brazil's code for fibrous cellulose sausage casings, 150 mm or more. Its first 6 digits are HS code 3917.10.

Official description of NCM 3917.10.21

PortuguêsOfficial
Fibrosas, de celulose regenerada, de diâmetro igual ou superior a 150 mm
EnglishUnofficial translation

Fibrous, of regenerated cellulose, of a diameter of 150 mm or more

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

How to read NCM 3917.10.21

39Chapter 17Heading 10Subheading

HS code 3917.10
Same in every country

2Item 1Subitem

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. Subheading 3917.10 Plastics; artificial guts (sausage casings) of hardened protein or of cellulosic materials Tripas artificiais de proteínas endurecidas ou de plástico celulósico
  4. Item 3917.10.2 Of cellulosic plastics De plástico celulósico
  5. Subitem 3917.10.21 Fibrous, of regenerated cellulose, of a diameter of 150 mm or more Fibrosas, de celulose regenerada, de diâmetro igual ou superior a 150 mm

Other NCM codes under HS 3917.10

3917.10.10 Artificial sausage casings of hardened proteinDe proteínas endurecidas 3917.10.29 Other cellulosic artificial sausage casingsOutras

Questions about NCM 3917.10.21

What is NCM 3917.10.21?

NCM 3917.10.21 (39171021) is the Brazilian (Mercosur) code for fibrous cellulose sausage casings, 150 mm or more. Its official Portuguese description is “Fibrosas, de celulose regenerada, de diâmetro igual ou superior a 150 mm”.

What is the HS code for NCM 3917.10.21?

HS 3917.10 (Plastics; artificial guts (sausage casings) of hardened protein or of cellulosic materials). 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 3917.10.21?

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.