Schlieren Imaging System from Mexico
Optical setup with parabolic mirrors and knives to visualize air flow and shock waves via density gradients. Classified HTS 9013.80.91.00 for other optical instruments in aerodynamic research. Excludes machine vision systems.
Duty Rate — Mexico → United States
14.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document optical path diagrams showing schlieren-specific mirrors and cutoff
• Declare research end-use to potentially qualify for duty exemptions
• Separate mirrors if imported individually, as they may classify by material