Brazil NCM · 8-digit subitem

NCM 3907.99.94 – DMT-CHDM-tetramethylcyclobutanediol copolyester

NCM 3907.99.94 (also written 39079994) is Brazil's code for dMT-CHDM-tetramethylcyclobutanediol copolyester. Its first 6 digits are HS code 3907.99.

Official description of NCM 3907.99.94

PortuguêsOfficial
Copolímero de tereftalato de dimetila, cicloexanodimetanol e tetrametil ciclobutanodiol
EnglishUnofficial translation

Copolymer of dimethyl terephthalate, cyclohexanedimethanol and tetramethylcyclobutanediol

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

How to read NCM 3907.99.94

39Chapter 07Heading 99Subheading

HS code 3907.99
Same in every country

9Item 4Subitem

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 39.07 Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms Poliacetais, outros poliéteres e resinas epóxidas, em formas primárias; policarbonatos, resinas alquídicas, poliésteres alílicos e outros poliésteres, em formas primárias.
  3. Group 3907.9 Other polyesters: Outros poliésteres:
  4. Subheading 3907.99 Polyesters; n.e.c. in heading no. 3907, saturated, in primary forms Outros
  5. Item 3907.99.9 Other Outros
  6. Subitem 3907.99.94 Copolymer of dimethyl terephthalate, cyclohexanedimethanol and tetramethylcyclobutanediol Copolímero de tereftalato de dimetila, cicloexanodimetanol e tetrametil ciclobutanodiol

Other NCM codes under HS 3907.99

3907.99.11 Glass-fibre filled poly(butylene terephthalate)Com carga de fibra de vidro 3907.99.12 Other poly(butylene terephthalate), liquid/pasteOutros, nas formas previstas na Nota 6 a) deste Capítulo 3907.99.19 Other poly(butylene terephthalate)Outros 3907.99.91 Other saturated polyesters, liquid or paste formsNas formas previstas na Nota 6 a) deste Capítulo 3907.99.92 Poly(epsilon-caprolactone)Poli(épsilon-caprolactona) 3907.99.93 DMT-CHDM-isophthalic acid copolyesterCopolímero de tereftalato de dimetila, cicloexanodimetanol e ácido isoftálico 3907.99.95 DMT-CHDM-ethylene glycol copolyesterCopolímero de tereftalato de dimetila, cicloexanodimetanol e etilenoglicol 3907.99.99 Other saturated polyesters in primary formsOutros

Questions about NCM 3907.99.94

What is NCM 3907.99.94?

NCM 3907.99.94 (39079994) is the Brazilian (Mercosur) code for dMT-CHDM-tetramethylcyclobutanediol copolyester. Its official Portuguese description is “Copolímero de tereftalato de dimetila, cicloexanodimetanol e tetrametil ciclobutanodiol”.

What is the HS code for NCM 3907.99.94?

HS 3907.99 (Polyesters; n.e.c. in heading no. 3907, saturated, 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 3907.99.94?

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.