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9027.90.84.00/Refractometer Prism Assembly/Mexico

Refractometer Prism Assembly from Mexico

Sapphire prism with calibration scale for Abbe refractometers (9027.20). Critical for measuring refractive index of liquids. Classified 9027.90.84.00 as dedicated optical component.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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Import Tips

• Specify refractive index range and dispersion correction

• Anti-reflective coatings require optical treatment declaration

• Standalone prisms risk 9001 classification

Refractometer Prism Assembly from Mexico — Import Duty Rate | HTS 9027.90.84.00