Sellmeier Equation Refractometer from Canada
Advanced Abbe refractometer calculating dispersion curves using Sellmeier coefficients for optical glass quality control. HTS 9027.89.80.60 for physical analysis of refractive index across spectrum. Temperature-stabilized prism.
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
• Prism material certificates (e.g
• synthetic sapphire) required
• Software export control verification for advanced calculation algorithms