NCM 3913.90.40
Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters)
Brazil import duty rates — Updated May 2026
NCM 3913.90.40 is the Brazilian tariff code for polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters). This code carries 0% import duty (II) and 3.25% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 9 NCM codes under HS heading 3913.90.
Classification hierarchy
Official Brazilian text: Proteínas endurecidas
Tax breakdown for NCM 3913.90.40
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 3913.90
UN Comtrade 2024Brazil imported $139.9M of products under HS heading 3913.90 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 3913.90 details →
Regulatory agencies
Products under this NCM may need pre-approval before customs clearance.
EU-Mercosur impact
Industrial plastics see tariff elimination over 7-10 years. Raw resins benefit from faster reduction.
Other NCM codes under HS 3913.90
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 3913.90.11 | Borracha clorada ou cloridratada, nas formas previstas na Nota 6 b) deste Capítulo | 0% | 3.25% | Calculate → |
| 3913.90.12 | Borracha clorada, noutras formas | 0% | 3.25% | Calculate → |
| 3913.90.19 | Outros | 0% | 3.25% | Calculate → |
| 3913.90.20 | Goma xantana | 0% | 3.25% | Calculate → |
| 3913.90.30 | Dextrana | 0% | 3.25% | Calculate → |
| 3913.90.50 | Quitosan (Chitosan), seus sais ou seus derivados | 12.6% | 3.25% | Calculate → |
| 3913.90.60 | Sulfato de condroitina | 12.6% | 3.25% | Calculate → |
| 3913.90.90 | Outros | 0% | 3.25% | Calculate → |
How to import NCM 3913.90.40 into Brazil
- Confirm with your customs broker — NCM 3913.90.40 must exactly match your product description. Misclassification leads to fines and seizure.
- Calculate total cost — base import duty is 0%, but Brazil adds IPI (3.25%), PIS/COFINS (11.75%), ICMS (17–20%), and AFRMM (8%) on top. Use our calculator for the exact total.
- Get import licenses — this chapter requires clearance from INMETRO. Apply before shipping.
- Choose entry port — ICMS varies by state (17–20%). Compare state rates to optimize your route.
Brazil Import Taxes Explained
Complete guide to the 7 cascading taxes on every import.
How to Export to Brazil
Step-by-step guide for foreign companies.
Regulatory Agencies
ANVISA, INMETRO, MAPA — which products need pre-approval?
Calculate your landed cost for NCM 3913.90.40
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.