NCM 39.10 – Silicones in primary forms

About NCM heading 39.10

Silicones in primary forms

Heading 39.10 of Brazil's NCM has 8 eight-digit codes. Official Portuguese description: Silicones em formas primárias.

The first four digits, 3910, 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 39.10 guide.

NCM codes in heading 39.10 8

1. 3910.00 Silicones; in primary formsSilicones em formas primárias. HS code
2. 3910.00.1 Oils Óleos
3. 3910.00.11 Silicone oil prepolymer mixtures, MW up to 8,800Misturas de pré-polímeros lineares e cíclicos, obtidos por hidrólise de dimetildiclorosilano, de peso molecular médio inferior ou igual a 8.800
4. 3910.00.12 Polydimethylsiloxane/PMHS oils in dispersionPolidimetilsiloxano, polimetilidrogenosiloxano ou misturas destes produtos, em dispersão
5. 3910.00.13 Dimethylsiloxane-vinyl oils, 1,000,000 cSt or moreCopolímeros de dimetilsiloxano com compostos vinílicos, de viscosidade igual ou superior a 1.000.000 cSt
6. 3910.00.19 Other silicone oilsOutros
7. 3910.00.2 Elastomers Elastômeros
8. 3910.00.21 Hot-vulcanising silicone elastomersDe vulcanização a quente
9. 3910.00.29 Other silicone elastomersOutros
10. 3910.00.30 Silicone resins in primary formsResinas
11. 3910.00.90 Other silicones in primary formsOutros