Brazil NCM · 8-digit code

NCM 4002.39.00 – Halo-isobutene-isoprene rubber (CIIR or BIIR)

NCM 4002.39.00 (also written 40023900) is Brazil's code for halo-isobutene-isoprene rubber (CIIR or BIIR). Its first 6 digits are HS code 4002.39.

Official description of NCM 4002.39.00

PortuguêsOfficial
Outras
EnglishUnofficial translation

Rubber; synthetic, halo-isobutene-isoprene rubber (CIIR or BIIR), in primary forms or in plates, sheets or strip

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

How to read NCM 4002.39.00

40Chapter 02Heading 39Subheading

HS code 4002.39
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. 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. Group 4002.3 Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR): Borracha de isobuteno-isopreno (butila) (IIR); borracha de isobuteno-isopreno halogenada (CIIR ou BIIR):
  4. Subheading 4002.39 Rubber; synthetic, halo-isobutene-isoprene rubber (CIIR or BIIR), in primary forms or in plates, sheets or strip
  5. Subitem 4002.39.00 Rubber; synthetic, halo-isobutene-isoprene rubber (CIIR or BIIR), in primary forms or in plates, sheets or strip Outras

Questions about NCM 4002.39.00

What is NCM 4002.39.00?

NCM 4002.39.00 (40023900) is the Brazilian (Mercosur) code for halo-isobutene-isoprene rubber (CIIR or BIIR). Its official Portuguese description is “Outras”.

What is the HS code for NCM 4002.39.00?

HS 4002.39 (Rubber; synthetic, halo-isobutene-isoprene rubber (CIIR or BIIR), 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 4002.39.00?

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.