Product classification
HS code for Paper calender: 8439.30
Machinery, for finishing paper or paperboard.
Classification of paper calender under HS 8439.30
The classification of machinery used for finishing paper, such as a paper calender, falls under HS code 8439.30. This code is part of Chapter 84, which covers nuclear reactors, boilers, machinery, and mechanical appliances. Specifically, heading 8439 is reserved for machinery intended for the making of pulp of fibrous cellulosic material or for making or finishing paper or paperboard. A calender is a series of hard pressure rollers used to finish or smooth a sheet of material. While calendering machines exist for various industries, those specifically designed and used within the paper production line for smoothing, glazing, or thinning paper webs are classified here. This classification is driven by the "principal use" rule, where the machine's specialized function in the paper industry dictates its placement over more general-purpose rolling machinery. The finishing process may include adding gloss, improving opacity, or ensuring uniform thickness across the paper roll, all of which are critical steps in paper manufacturing.
- Covers
- Supercalenders for paper finishing
- Machine calenders for paper mills
- Glazing calenders for paperboard
- Embossing calenders specifically for paper
- Soft-nip calenders for paper webs
- Also under 8439.30
- Valmet coating machines
- Voith finishing lines
- Jagenberg slitters
- Bielomatik sheet cutters
Codes often confused with 8439.30
Common mistake. Paper calenders are often misclassified under HS code 8420.10, which covers calendering or other rolling machines for general purposes. While 8420 is a broader category, Note 2 to Chapter 84 and the specific wording of 8439.30 dictate that machinery specialized for the paper industry must be classified in 8439. Another error involves 8439.20, which is for machinery for making paper or paperboard; however, the calender is considered a finishing machine, placing it correctly in 8439.30.
Top exporters and importers of HS 843930 (the code used for paper calender), 2025
In 2025, the largest exporter of HS 843930 (the code used for paper calender) 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 calender.
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 calender
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 calender
What is the HS code for Paper calender?
The HS code for Paper calender is 843930 (Machinery; for finishing paper or paperboard). The HS code for a paper calender used for finishing paper or paperboard is 8439.30.
How do I classify Paper calender for customs?
Paper calender is classified under HS code 843930 — Machinery; for finishing paper or paperboard. This is a 6-digit subheading level code.
Is a calender used for textiles classified here?
No, a calender used for the finishing of textiles is classified under HS code 8451.80 or 8420.10, as 8439.30 is exclusive to paper and paperboard finishing.
Which countries are the top exporters of paper calender (HS 843930)?
In 2025, the top exporters of HS 843930 (the code used for paper calender) 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 calender (HS 843930)?
In 2025, the top importers of HS 843930 (the code used for paper calender) 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 calender the same in all countries?
The base HS code 843930 for Paper calender 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 calender in Brazil?
Brazil splits HS 843930 into 4 NCM codes, so the right one for paper calender 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).