Precision Flat Optical Mirror from Canada
Lambda/20 flatness mirror with protected gold coating for interferometer reference surfaces. Classified HTS 9001.90.60.00 as high precision unmounted optical mirror element.
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
• Provide interferograms and surface flatness test data
• Specify coating environmental durability and cleanroom handling requirements
• Classify reference flats distinctly from common plate glass mirrors