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Refractometer Prism Assembly from Canada

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 — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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 Canada — Import Duty Rate | HTS 9027.90.84.00