HTS heading
9027Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (23 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 9027.10.20.00 | Electrical | Free | — | 40% |
| 9027.10.40.00 | Optical instruments and apparatus | Free | — | 50% |
| 9027.10.60.00 | Other | Free | — | 40% |
| 9027.20.50 | Electrical | Free | — | 40% |
| 9027.20.80 | Other | Free | — | 40% |
| 9027.30.40 | Electrical | Free | — | 40% |
| 9027.30.80 | Other | Free | — | 50% |
| 9027.50.10.00 | Exposure meters | 1.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% |
| 9027.50.40 | Electrical | Free | — | 40% |
| 9027.50.80 | Other | Free | — | 50% |
| 9027.81.00.00 | Mass spectrometers | Free | — | 40% |
| 9027.89.25.00 | Nuclear magnetic resonance instruments | Free | — | 40% |
| 9027.89.45 | Electrical | Free | — | 40% |
| 9027.89.80 | Other | Free | — | 40% |
| 9027.90.20.00 | Microtomes | Free | — | 40% |
| 9027.90.45.00 | Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89 | Free | — | 40% |
| 9027.90.54.00 | Of electrophoresis instruments not incorporating an optical or other measuring device | Free | — | 40% |
| 9027.90.56 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free | — | 40% |
| 9027.90.59 | Other | Free | — | 40% |
| 9027.90.64.00 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free | — | 50% |
| 9027.90.68.00 | Other | Free | — | 50% |
| 9027.90.84.00 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free | — | 40% |
| 9027.90.88.00 | Other | Free | — | 40% |
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