Product classification
HS code for Paper coater: 8439.30
Machinery, for finishing paper or paperboard.
Classification of paper coater under HS 8439.30
The classification of a paper coater under HS code 8439.30 is determined by its primary function as machinery for finishing paper or paperboard. According to the General Rules for the Interpretation (GRI) of the Harmonized System, machinery is classified based on its specific industrial application. Heading 8439 covers machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard. Subheading 8439.30 specifically isolates the "finishing" stage. Finishing processes include coating, which involves applying a layer of material such as kaolin (china clay), calcium carbonate, or various polymers to the surface of the paper to improve its aesthetic or functional properties. This process is distinct from the initial formation of the paper web. The machinery must be industrial in nature and designed to handle continuous rolls or sheets of paperboard to qualify under this specific code. These machines are often complex systems involving rollers, blades, and drying units that work in tandem to ensure a uniform application of the coating material. The classification is also supported by the Explanatory Notes to the Harmonized System, which clarify that finishing includes any process that modifies the surface of the paper after it has been formed on the wire of the paper machine.
- Covers
- Blade coating machines for high-gloss finishes
- Air-knife coaters for uniform thin layers
- Roll-to-roll coating systems for industrial paperboard
- Curtain coating machinery for specialty papers
- Size presses used for surface sizing and pigment coating
- Extrusion coaters for applying plastic layers to paper
- Also under 8439.30
- Valmet coating machines
- Voith finishing lines
- Jagenberg slitters
- Bielomatik sheet cutters
Codes often confused with 8439.30
Common mistake. Paper coaters are frequently confused with machinery in heading 8439.10 or 8439.20. While 8439.10 covers the production of pulp and 8439.20 covers the actual formation of the paper sheet, 8439.30 is strictly for finishing. Another common error is classifying these under 8441.80, which covers other machinery for making up paper pulp or paper. However, if the machine's primary function is surface finishing through coating, 8439.30 is the more specific and correct code. Additionally, machines that coat plastic films rather than paper should be classified under 8477.80, which pertains to machinery for working rubber or plastics.
Top exporters and importers of HS 843930 (the code used for paper coater), 2025
In 2025, the largest exporter of HS 843930 (the code used for paper coater) in UN Comtrade data was China, with 44% of world exports; the largest importer in UN Comtrade data was the United States, with 16% 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 843930, not only paper coater.
Top exporters 2025 · share of world exports
- 1 China $286M 44% of world exports
- 2 Germany $128M 20% of world exports
- 3 Czechia $74M 12% of world exports
World total: $643M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $111M 16% of world imports
- 2 Germany $93M 13% of world imports
- 3 Italy $36M 5.2% of world imports
World total: $706M 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 paper coater
Brazil splits HS 8439.30 into 4 NCM codes. Pick the one that matches your product:
- 8439.30.10Paper winding and tensioning machines
- 8439.30.20Paper impregnating machines
- 8439.30.30Paper corrugating machines
- 8439.30.90Other paper finishing machinery
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about paper coater
What is the HS code for Paper coater?
The HS code for Paper coater is 843930 (Machinery; for finishing paper or paperboard). The HS code for a paper coater is 8439.30, which covers machinery for finishing paper or paperboard.
How do I classify Paper coater for customs?
Paper coater is classified under HS code 843930 — Machinery; for finishing paper or paperboard. This is a 6-digit subheading level code.
Is a coating machine for plastic film classified under this code?
No, machines designed specifically for coating plastic films are typically classified under HS code 8477.80 as machinery for working plastics.
Which countries are the top exporters of paper coater (HS 843930)?
In 2025, the top exporters of HS 843930 (the code used for paper coater) in UN Comtrade data were China ($286M, 44% of world exports), Germany ($128M) and Czechia ($74M). World exports came to about $643M, 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 paper coater (HS 843930)?
In 2025, the top importers of HS 843930 (the code used for paper coater) in UN Comtrade data were the United States ($111M, 16% of world imports), Germany ($93M) and Italy ($36M). World imports came to about $706M, 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 Paper coater the same in all countries?
The base HS code 843930 for Paper coater 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 paper coater in Brazil?
Brazil splits HS 843930 into 4 NCM codes, so the right one for paper coater depends on the product's details: 8439.30.10 (Paper winding and tensioning machines), 8439.30.20 (Paper impregnating machines), 8439.30.30 (Paper corrugating machines), 8439.30.90 (Other paper finishing machinery).