Brazil NCM · 8-digit subitem

NCM 3914.00.11 – Sulphonated styrene-divinylbenzene ion-exchangers

NCM 3914.00.11 (also written 39140011) is Brazil's code for sulphonated styrene-divinylbenzene ion-exchangers. Its first 6 digits are HS code 3914.00.

Official description of NCM 3914.00.11

PortuguêsOfficial
De copolímeros de estireno-divinilbenzeno, sulfonados
EnglishUnofficial translation

Of styrene-divinylbenzene copolymers, sulphonated

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

How to read NCM 3914.00.11

39Chapter 14Heading 00Subheading

HS code 3914.00
Same in every country

1Item 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 39.14 Ion-exchangers; based on polymers of heading no. 3901 to 3913, in primary forms Permutadores de íons à base de polímeros das posições 39.01 a 39.13, em formas primárias.
  3. Subheading 3914.00 Ion-exchangers; based on polymers of heading no. 3901 to 3913, in primary forms Permutadores de íons à base de polímeros das posições 39.01 a 39.13, em formas primárias.
  4. Item 3914.00.1 Of polystyrene and its copolymers De poliestireno e seus copolímeros
  5. Subitem 3914.00.11 Of styrene-divinylbenzene copolymers, sulphonated De copolímeros de estireno-divinilbenzeno, sulfonados

Other NCM codes under HS 3914.00

3914.00.19 Other polystyrene-based ion-exchangersOutros 3914.00.90 Other ion-exchangers based on polymersOutros

Questions about NCM 3914.00.11

What is NCM 3914.00.11?

NCM 3914.00.11 (39140011) is the Brazilian (Mercosur) code for sulphonated styrene-divinylbenzene ion-exchangers. Its official Portuguese description is “De copolímeros de estireno-divinilbenzeno, sulfonados”.

What is the HS code for NCM 3914.00.11?

HS 3914.00 (Ion-exchangers; based on polymers of heading no. 3901 to 3913, in primary forms). 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 3914.00.11?

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.