Product classification
HS code for Unvulcanized rubber compound: 4005.99
Rubber, unvulcanised, (compounded other than with carbon black or silica), in primary forms, (other than plates, sheets, strip, solutions or dispersions).
Classification of unvulcanized rubber compound under HS 4005.99
HS code 4005.99 is used for compounded rubber that has not yet undergone the vulcanization process. Chapter 40 of the Harmonized System covers rubber and articles thereof. Heading 4005 specifically addresses compounded rubber, unvulcanized, in primary forms or in plates, sheets, or strip. Subheading 4005.99 is a residual category for compounded rubber in primary forms (such as blocks, lumps, or powders) that do not contain carbon black or silica. If the rubber compound were mixed with these reinforcing agents, it would fall under 4005.10. Furthermore, this specific code excludes forms like plates, sheets, or strips, which are classified under 4005.91. The classification is determined by the chemical composition—specifically the presence of vulcanizing agents, accelerators, or plasticizers—and the physical form of the material. This material is typically an intermediate product intended for further processing into finished rubber goods through heat and pressure.
- Covers
- Unvulcanized rubber blocks without carbon black
- Compounded rubber granules for molding
- Unvulcanized rubber masterbatch (non-silica)
- Compounded synthetic rubber in lumps
- Unvulcanized rubber crumbs for industrial use
- Also under 4005.99
- Freudenberg Sealing Technologies (compounds for seals)
- Parker Hannifin (compounds for O-rings)
- Trelleborg (compounds for various applications)
- Hutchinson (rubber compounds)
- ContiTech (rubber compounds)
Codes often confused with 4005.99
Common mistake. This code is often confused with HS code 4005.10, which is specifically for compounded rubber containing carbon black or silica. If either of those reinforcing agents is present, 4005.10 takes precedence. Additionally, it is often confused with 4002, which covers synthetic rubber that has not been compounded with vulcanizing agents or other additives. Once additives are mixed into the rubber, it must move from 4002 to 4005.
Top exporters and importers of HS 400599 (the code used for unvulcanized rubber compound), 2025
In 2025, the largest exporter of HS 400599 (the code used for unvulcanized rubber compound) in UN Comtrade data was Germany, with 25% of world exports; the largest importer in UN Comtrade data was Germany, with 9.2% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 400599, not only unvulcanized rubber compound.
Top exporters 2025 · share of world exports
- 1 Germany $251M 25% of world exports
- 2 Italy $156M 15% of world exports
- 3 United States $150M 15% of world exports
World total: $1.0B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Germany $94M 9.2% of world imports
- 2 Poland $88M 8.7% of world imports
- 3 France $66M 6.5% of world imports
World total: $1.0B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for unvulcanized rubber compound
Brazil splits HS 4005.99 into 2 NCM codes. Pick the one that matches your product:
- 4005.99.10Chewing gum base rubber in other primary forms
- 4005.99.90Other unvulcanised compounded rubber
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
EU Regulatory Requirements
This product category is subject to the EU Deforestation Regulation (EUDR). Importers must provide due diligence statements proving the product was not produced on deforested land after December 31, 2020.
Questions about unvulcanized rubber compound
What is the HS code for Unvulcanized rubber compound?
The HS code for Unvulcanized rubber compound is 400599 (Rubber; unvulcanised, (compounded other than with carbon black or silica), in primary forms, (other than plates, sheets, strip, solutions or dispersions)). The HS code for unvulcanized rubber compound in primary forms (without carbon black or silica) is 4005.99.
How do I classify Unvulcanized rubber compound for customs?
Unvulcanized rubber compound is classified under HS code 400599 — Rubber; unvulcanised, (compounded other than with carbon black or silica), in primary forms, (other than plates, sheets, strip, solutions or dispersions). This is a 6-digit subheading level code.
What is the difference between 4005.99 and 4005.91?
4005.99 covers primary forms like blocks and lumps, while 4005.91 is specifically for plates, sheets, and strips of the same material.
Which countries are the top exporters of unvulcanized rubber compound (HS 400599)?
In 2025, the top exporters of HS 400599 (the code used for unvulcanized rubber compound) in UN Comtrade data were Germany ($251M, 25% of world exports), Italy ($156M) and the United States ($150M). World exports came to about $1.0B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of unvulcanized rubber compound (HS 400599)?
In 2025, the top importers of HS 400599 (the code used for unvulcanized rubber compound) in UN Comtrade data were Germany ($94M, 9.2% of world imports), Poland ($88M) and France ($66M). World imports came to about $1.0B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Unvulcanized rubber compound the same in all countries?
The base HS code 400599 for Unvulcanized rubber compound is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for unvulcanized rubber compound in Brazil?
Brazil splits HS 400599 into 2 NCM codes, so the right one for unvulcanized rubber compound depends on the product's details: 4005.99.10 (Chewing gum base rubber in other primary forms), 4005.99.90 (Other unvulcanised compounded rubber).