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9018.90.20.00/Duochrome Test Slide Projector Optics/Mexico

Duochrome Test Slide Projector Optics from Mexico

Red-green bichromatic optics balancing spherical refractive errors. HTS 9018.90.20.00 includes optical test projectors for sight-testing. Endpoint determination in subjective refraction.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Specify dominant wavelength values (red 625nm, green 535nm typical)

• Include projection lens focal length and screen illumination specs

• Classify as complete optical system vs. individual color filters

Duochrome Test Slide Projector Optics from Mexico — Import Duty Rate | HTS 9018.90.20.00