HS code · 6-digit subheading
HS Code 9012.90 – Microscopes (excluding optical microscopes); diffraction apparatus; parts and accessories
HS code 9012.90 is the 6-digit subheading for microscopes (excluding optical microscopes), diffraction apparatus, parts and accessories. It is used for electron guns, sample holders, vacuum pumps, detectors (e.g., EDS, EBSD) and apertures.
What HS 9012.90 covers
This HS code specifically covers parts and accessories for non-optical microscopes (like electron, scanning probe, and ion microscopes) and diffraction apparatus. Given the complexity and high precision of these instruments, their components are equally specialized and crucial for their operation, maintenance, and upgrade. This includes electron guns, detectors, vacuum pumps, sample holders, and specialized software modules. Importers are primarily research facilities, universities, and high-tech industries that own and operate these advanced instruments, requiring specific parts for repairs, upgrades, or to expand their analytical capabilities. Exporters are often the original manufacturers or highly specialized suppliers of precision components. Key trade considerations involve extreme precision, material purity, compatibility with specific instrument models, and the need for controlled environments for manufacturing and transport. The market is driven by the continuous need to maintain and enhance the performance of these cutting-edge scientific tools.
- Covers
- Electron guns
- Sample holders
- Vacuum pumps
- Detectors (e.g., EDS, EBSD)
- Apertures
- Filaments
- Power supplies for electron microscopes
- Software modules for analysis
- Examples
- FEI/Thermo Fisher Scientific electron sources
- JEOL sample stages
- Bruker XFlash detectors
- Pfeiffer Vacuum pumps
- Gatan cameras
Codes often confused with 9012.90
Common mistake. This code is for parts of non-optical microscopes and diffraction apparatus, clearly separating them from parts for optical microscopes (901190) due to their distinct technological requirements.
Top exporters and importers of HS code 901290, 2025
In 2025, the largest exporter of HS code 901290 in UN Comtrade data was the Netherlands, with 24% of world exports; the largest importer in UN Comtrade data was Czechia, with 19% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 Netherlands $284M 24% of world exports
- 2 United States $244M 20% of world exports
- 3 Germany $177M 15% of world exports
World total: $1.2B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Czechia $239M 19% of world imports
- 2 Netherlands $181M 15% of world imports
- 3 China $119M 9.6% of world imports
World total: $1.2B 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 9012.90 2
Brazil splits HS 9012.90 into 2 NCM codes, Mercosur's 8-digit tariff lines.
- 9012.90.10 Electron microscope parts and accessoriesDe microscópios eletrônicos
- 9012.90.90 Other non-optical microscope/diffractograph partsOutros
All Brazil NCM codes in heading 90.12 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 9012.90
What is HS code 901290?
HS code 901290 is a 6-digit subheading in the Harmonized System that covers: Microscopes (excluding optical microscopes); diffraction apparatus; parts and accessories. This HS code specifically covers parts and accessories for non-optical microscopes (like electron, scanning probe, and ion microscopes) and diffraction apparatus. Given the complexity and high precision of these instruments, their components are equally specialized and crucial for their operation, maintenance, and upgrade. This includes electron guns, detectors, vacuum pumps, sample holders, and specialized software modules. Importers are primarily research facilities, universities, and high-tech industries that own and operate these advanced instruments, requiring specific parts for repairs, upgrades, or to expand their analytical capabilities. Exporters are often the original manufacturers or highly specialized suppliers of precision components. Key trade considerations involve extreme precision, material purity, compatibility with specific instrument models, and the need for controlled environments for manufacturing and transport. The market is driven by the continuous need to maintain and enhance the performance of these cutting-edge scientific tools.
What products fall under HS code 901290?
Electron guns, Sample holders, Vacuum pumps, Detectors (e.g., EDS, EBSD), Apertures, Filaments, Power supplies for electron microscopes, Software modules for analysis
What are common misclassifications for HS code 901290?
This code is for parts of non-optical microscopes and diffraction apparatus, clearly separating them from parts for optical microscopes (901190) due to their distinct technological requirements.
Which countries are the top exporters of goods under HS code 901290?
In 2025, the top exporters of HS code 901290 in UN Comtrade data were the Netherlands ($284M, 24% of world exports), the United States ($244M) and Germany ($177M). World exports came to about $1.2B, 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 goods under HS code 901290?
In 2025, the top importers of HS code 901290 in UN Comtrade data were Czechia ($239M, 19% of world imports), the Netherlands ($181M) and China ($119M). World imports came to about $1.2B, 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.
How is HS code 901290 structured?
HS code 901290 is a 6-digit subheading under the Harmonized System. The first 2 digits (90) identify the chapter, digits 3-4 (12) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 901290?
Brazil splits HS code 901290 into 2 NCM codes: 9012.90.10 (Electron microscope parts and accessories), 9012.90.90 (Other non-optical microscope/diffractograph parts). The first 6 digits of each match the HS code.