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HTS Code · Heading 9027 · Optical, Photographic, Medical Instruments

9027

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:

Estimated Total Duty

35% from China

Free MFN base + 25% 301 + 10% S122. Stacked per the centralized 2026 program snapshot.

Tariff Details
HS Code
9027
Description
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:
General Duty Rate
Free
Unit of Quantity
Not specified
Section
Section 18
Last Updated
March 17, 2026
Tariff by Country of Origin
OriginMFN BaseStacked ProgramsEst. Total
ChinaFree
301 +25%S122 +10%
35%
Mexico (USMCA)FreeNone0%
Canada (USMCA)FreeNone0%
VietnamFree
S122 +10%
10%
Germany (EU)Free
S122 +10%
10%
IndiaFree
S122 +10%
10%
South KoreaFree
S122 +10%
10%
Totals are estimates. USMCA origins assume the good qualifies under rule-of-origin. Final landed cost depends on MPF, HMF, and any exclusions \u2014 run the full calculator.
All Additional Tariff Rates on This Code
Section 301 (China)
+25%
Section 122 Surcharge
+10%

Frequently Asked Questions