Precision Flat Optical Mirror from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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