Brazil NCM · 8-digit subitem
NCM 3906.90.61 – Potassium acrylate-acrylamide absorbent copolymer
NCM 3906.90.61 (also written 39069061) is Brazil's code for potassium acrylate-acrylamide absorbent copolymer. Its first 6 digits are HS code 3906.90.
Official description of NCM 3906.90.61
- PortuguêsOfficial
Copolímero de acrilato de potássio e acrilamida, com capacidade de absorção de água destilada de até quatrocentas vezes seu próprio peso
- EnglishUnofficial translation
Copolymer of potassium acrylate and acrylamide, with an absorption capacity for distilled water of up to four hundred times its own weight
Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Oct 2024 (Res Camex 607/2024).
How to read NCM 3906.90.61
HS code 3906.90
Same in every country
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
- Chapter 39 Plastics and articles thereof Plástico e suas obras.
- Heading 39.06 Acrylic polymers in primary forms Polímeros acrílicos, em formas primárias.
- Subheading 3906.90 Acrylic polymers; (other than polymethyl methacrylate), in primary forms Outros
- Item 3906.90.6 Copolymers in the forms provided for in Note 6 (b) to this Chapter Copolímeros nas formas previstas na Nota 6 b) deste Capítulo
- Subitem 3906.90.61 Copolymer of potassium acrylate and acrylamide, with an absorption capacity for distilled water of up to four hundred times its own weight Copolímero de acrilato de potássio e acrilamida, com capacidade de absorção de água destilada de até quatrocentas vezes seu próprio peso
Other NCM codes under HS 3906.90
Questions about NCM 3906.90.61
What is NCM 3906.90.61?
NCM 3906.90.61 (39069061) is the Brazilian (Mercosur) code for potassium acrylate-acrylamide absorbent copolymer. Its official Portuguese description is “Copolímero de acrilato de potássio e acrilamida, com capacidade de absorção de água destilada de até quatrocentas vezes seu próprio peso”.
What is the HS code for NCM 3906.90.61?
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 3906.90.61?
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.