Brazil NCM · 8-digit subitem

NCM 3906.90.53 – Carboxypolymethylene powder

NCM 3906.90.53 (also written 39069053) is Brazil's code for carboxypolymethylene powder. Its first 6 digits are HS code 3906.90.

Official description of NCM 3906.90.53

PortuguêsOfficial
Carboxipolimetileno, em pó
EnglishUnofficial translation

Carboxypolymethylene, in powder

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Oct 2024 (Res Camex 607/2024).

How to read NCM 3906.90.53

39Chapter 06Heading 90Subheading

HS code 3906.90
Same in every country

5Item 3Subitem

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 39.06 Acrylic polymers in primary forms Polímeros acrílicos, em formas primárias.
  3. Subheading 3906.90 Acrylic polymers; (other than polymethyl methacrylate), in primary forms Outros
  4. Item 3906.90.5 In the forms provided for in Note 6 (b) to this Chapter, other than copolymers Nas formas previstas na Nota 6 b) deste Capítulo, exceto copolímeros
  5. Subitem 3906.90.53 Carboxypolymethylene, in powder Carboxipolimetileno, em pó

Other NCM codes under HS 3906.90

3906.90.11 Poly(acrylic acid) and salts, in waterPoli(ácido acrílico) e seus sais 3906.90.12 Sodium poly(acrylamidic acid), in waterSal sódico do poli(ácido acrilamídico), solúvel em água 3906.90.19 Other acrylic polymers in water, liquid or pasteOutros 3906.90.21 Poly(acrylic acid) and salts, in organic solventsPoli(ácido acrílico) e seus sais 3906.90.22 Diisopropylaminoethyl-decyl methacrylate copolymerCopolímero de metacrilato de 2-di-isopropilaminoetila e metacrilato de n-decila, em suspensão de dimetilacetamida 3906.90.29 Other acrylic polymers, in organic solventsOutros 3906.90.31 Poly(acrylic acid) and salts, other/no solventPoli(ácido acrílico) e seus sais 3906.90.32 Sodium poly(acrylamidic acid), other/no solventSal sódico do poli(ácido acrilamídico), solúvel em água 3906.90.39 Other acrylic liquids or pastes, other/no solventOutros 3906.90.51 Poly(acrylic acid) and salts, solid bulk formsPoli(ácido acrílico) e seus sais 3906.90.52 Sodium poly(acrylamidic acid), solid bulk formsSal sódico do poli(ácido acrilamídico), solúvel em água 3906.90.54 Sodium polyacrylate, saline absorbency 20x or morePoli(acrilato de sódio), com capacidade de absorção de uma solução aquosa de cloreto de sódio 0,9 %, em peso, igual ou superior a vinte vezes seu próprio peso 3906.90.59 Other non-copolymer acrylic polymers, solid formsOutros 3906.90.61 Potassium acrylate-acrylamide absorbent copolymerCopolímero de acrilato de potássio e acrilamida, com capacidade de absorção de água destilada de até quatrocentas vezes seu próprio peso 3906.90.62 Methyl acrylate-ethylene copolymer, 50%+ acrylateCopolímeros de acrilato de metila-etileno com um conteúdo de acrilato de metila igual ou superior a 50 %, em peso 3906.90.63 Ethyl/n-butyl/2-methoxyethyl acrylate copolymerCopolímero de acrilato de etila, acrilato de n-butila e acrilato de 2-metoxietila 3906.90.64 Potassium acrylate-acrylic acid absorbent polymerCopolímero de acrilato de potássio e ácido acrílico, com capacidade de absorção de água destilada de até quatrocentas vezes seu próprio peso 3906.90.65 Acrylamide-sodium acrylate copolymerCopolímero de acrilamida e acrilato de sódio 3906.90.69 Other acrylic copolymers, solid bulk formsOutros

Questions about NCM 3906.90.53

What is NCM 3906.90.53?

NCM 3906.90.53 (39069053) is the Brazilian (Mercosur) code for carboxypolymethylene powder. Its official Portuguese description is “Carboxipolimetileno, em pó”.

What is the HS code for NCM 3906.90.53?

HS 3906.90 (Acrylic polymers; (other than polymethyl methacrylate), 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 3906.90.53?

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.