Brazil NCM · 8-digit subitem

NCM 4002.20.91 – Syndiotactic 1,2-polybutadiene

NCM 4002.20.91 (also written 40022091) is Brazil's code for syndiotactic 1,2-polybutadiene. Its first 6 digits are HS code 4002.20.

Official description of NCM 4002.20.91

PortuguêsOfficial
1,2-polibutadieno sindiotáctico
EnglishUnofficial translation

Syndiotactic 1,2-polybutadiene

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Jan 2023 (Res Gecex 412/2022).

How to read NCM 4002.20.91

40Chapter 02Heading 20Subheading

HS code 4002.20
Same in every country

9Item 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 40 Rubber and articles thereof Borracha e suas obras.
  2. Heading 40.02 Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of heading no. 4001 and 4002, in primary forms or in plates, sheets or strip Borracha sintética e borracha artificial derivada dos óleos, em formas primárias ou em chapas, folhas ou tiras; misturas dos produtos da posição 40.01 com produtos da presente posição, em formas primárias ou em chapas, folhas ou tiras.
  3. Subheading 4002.20 Rubber; synthetic, butadiene rubber (BR), in primary forms or in plates, sheets or strip Borracha de butadieno (BR)
  4. Item 4002.20.9 Other Outras
  5. Subitem 4002.20.91 Syndiotactic 1,2-polybutadiene 1,2-polibutadieno sindiotáctico

Other NCM codes under HS 4002.20

4002.20.10 Butadiene rubber (BR), oilÓleo 4002.20.99 Other butadiene rubber (BR)Outras

Questions about NCM 4002.20.91

What is NCM 4002.20.91?

NCM 4002.20.91 (40022091) is the Brazilian (Mercosur) code for syndiotactic 1,2-polybutadiene. Its official Portuguese description is “1,2-polibutadieno sindiotáctico”.

What is the HS code for NCM 4002.20.91?

HS 4002.20 (Rubber; synthetic, butadiene rubber (BR), in primary forms or in plates, sheets or strip). 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 4002.20.91?

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.