Brazil NCM · 8-digit subitem

NCM 3907.29.20 – Polytetramethylene ether glycol

NCM 3907.29.20 (also written 39072920) is Brazil's code for polytetramethylene ether glycol. Its first 6 digits are HS code 3907.29.

Official description of NCM 3907.29.20

PortuguêsOfficial
Politetrametilenoeterglicol
EnglishUnofficial translation

Polytetramethylene ether glycol

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

How to read NCM 3907.29.20

39Chapter 07Heading 29Subheading

HS code 3907.29
Same in every country

2Item 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. 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 3907.2 Other polyethers: Outros poliéteres:
  4. Subheading 3907.29 Polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; in primary forms Outros
  5. Subitem 3907.29.20 Polytetramethylene ether glycol Politetrametilenoeterglicol

Other NCM codes under HS 3907.29

3907.29.11 Filled poly(phenylene oxide)Com carga 3907.29.12 Unfilled poly(phenylene oxide)Sem carga 3907.29.31 Polyethylene glycol 400Polietilenoglicol 400 3907.29.39 Other polyether polyolsOutros 3907.29.41 Poly(epichlorohydrin)Poli(epicloridrina) 3907.29.42 Epichlorohydrin-ethylene oxide copolymersCopolímeros de óxido de etileno 3907.29.49 Other poly(epichlorohydrin) copolymersOutros 3907.29.91 Polyacetal polyether (PAPE)Poliacetal poliéter (PAPE) 3907.29.92 Poly(oxyethylene) methallyl ether (HPEG)Éter metalílico de poli(oxietileno) (HPEG) 3907.29.99 Other polyethers in primary formsOutros

Questions about NCM 3907.29.20

What is NCM 3907.29.20?

NCM 3907.29.20 (39072920) is the Brazilian (Mercosur) code for polytetramethylene ether glycol. Its official Portuguese description is “Politetrametilenoeterglicol”.

What is the HS code for NCM 3907.29.20?

HS 3907.29 (Polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; 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 3907.29.20?

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.