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Fetching tariff lines, duty rates and related codes.
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Fetching tariff lines, duty rates and related codes.
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General (MFN)
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Special / FTA
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Column 2
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Rate shown is General (Column 1) MFN from the 2026_rev10. Additional duties may apply, including Section 301 duties on Chinese-origin goods and Section 232 duties on metals and autos. (The 10% Section 122 surcharge expired July 24, 2026.) Last reviewed: 2026_rev10.
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Gas or smoke analysis apparatus:
Chromatographs and electrophoresis instruments:
Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared):
Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared):
Microtomes; parts and accessories:
Optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked:
Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus, other than such elements of glass not optically worked; parts and accessories thereof:
Frames and mountings for spectacles, goggles or the like, and parts thereof:
Spectacles, goggles and the like, corrective, protective or other:
Binoculars, monoculars, other optical telescopes, and mountings therefor; other astronomical instruments and mountings therefor, but not including instruments for radio-astronomy; parts and accessories thereof:
Photographic (other than cinematographic) cameras; photographic flashlight apparatus and flashbulbs other than discharge lamps of heading 8539; parts and accessories thereof:
Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus; parts and accessories thereof:
Image projectors, other than cinematographic; photographic (other than cinematographic) enlargers and reducers; parts and accessories thereof:
Download the full Chapter 90 duty table
Every tariff line in this chapter — HTS number, description, MFN, special & Column 2 rates — as a CSV.
Heading 9027 covers Instruments 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:. Subcodes further classify products by material, use, or form — see the subcodes list below.
Duty rates are not set at the 4-digit heading level. Drill down to the 8 or 10-digit tariff line that matches your product.
No — the Section 122 global surcharge expired at 12:01 a.m. EDT on July 24, 2026 (the 150-day statutory cap) and is not collected on entries on or after that date. Entries before July 24, 2026 paid the 10% on top of the base MFN rate. Use our Tariff Impact Calculator to see the current total rate for your product.
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