Harmonized Tariff Schedule of the U.S. › Chapter 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments; parts and accessories

9027.90.20.00Tariff line

Classification path

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

9027

Microtomes; parts and accessories

Microtomes

9027.90.20.00

Rates of duty

General rate (Column 1)Free

Special—

Column 240%

UnitNo.

Printed page 3040

Measure flags

for origin CN, entry date 2026-10-26 · base rate Free

Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
China 301 List 4A (9903.88.15)9903.88.15Applies+7.5%8-digit subheading 9027.90.20 is on L4A
PGAFDA FD1

Confirmed total 20% · max 20%Full duty breakdown →

U.S. → China →