Schlieren Prism from Mexico
High-precision wedge prism used in schlieren imaging systems to visualize density gradients in fluids and shock waves. Classified under HTS 9001.90.50.00 as an unmounted optical prism with exact wedge angle control. Essential for aerodynamic and heat transfer research applications.
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
Import Tips
• Wedge angle tolerance typically <1 arc minute; provide metrology certificates
• Parallelism between non-wedge faces critical for wavefront quality
• Specify glass homogeneity for distortion-free imaging applications