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9018.90.20.00/Keratometer Measurement Head/Mexico

Keratometer Measurement Head from Mexico

Precision optical attachment measuring corneal curvature for contact lens fitting. Classifies under HTS 9018.90.20.00 as optical appliance part for sight-testing. Provides dioptric measurements of corneal astigmatism.

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

• Calibrate against NIST-traceable standards before import declaration

• Declare as medical device part with principal use documentation

• Avoid describing as 'industrial optical gauge' to prevent Chapter 90 shift

Keratometer Measurement Head from Mexico — Import Duty Rate | HTS 9018.90.20.00