NCM 39.13 – Natural polymers and modified natural polymers

About NCM heading 39.13

Natural polymers (e.g. alginic acid) and modified natural polymers (e.g. hardened proteins, chemical derivatives of natural rubber), n.e.c. or included, in primary forms

Heading 39.13 of Brazil's NCM has 10 eight-digit codes. Official Portuguese description: Polímeros naturais (ácido algínico, por exemplo) e polímeros naturais modificados (por exemplo, proteínas endurecidas, derivados químicos da borracha natural), não especificados nem compreendidos noutras posições, em formas primárias.

The first four digits, 3913, identify this heading within chapter 39. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.

For product coverage and classification context, read the HS heading 39.13 guide.

NCM codes in heading 39.13 10

1. 3913.10.00 Alginic acid, its salts and estersÁcido algínico, seus sais e seus ésteres
2. 3913.90 Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters)Outros HS code
3. 3913.90.1 Chemical derivatives of natural rubber Derivados químicos da borracha natural
4. 3913.90.11 Chlorinated/hydrochlorinated rubber, bulk formsBorracha clorada ou cloridratada, nas formas previstas na Nota 6 b) deste Capítulo
5. 3913.90.12 Chlorinated rubber in other formsBorracha clorada, noutras formas
6. 3913.90.19 Other chemical derivatives of natural rubberOutros
7. 3913.90.20 Xanthan gumGoma xantana
8. 3913.90.30 DextranDextrana
9. 3913.90.40 Hardened proteinsProteínas endurecidas
10. 3913.90.50 Chitosan, its salts or derivativesQuitosana, seus sais ou seus derivados
11. 3913.90.60 Chondroitin sulphateSulfato de condroitina
12. 3913.90.90 Other natural or modified natural polymersOutros