Quartz Half-Wave Retarder Plate from Mexico
Mounted crystalline quartz plate that introduces a half-wavelength phase shift for polarization control in laser systems and microscopes. HTS 9002.90.95.00 covers this as a mounted optical element of quartz (silica) for scientific instruments. Used in applications requiring precise light manipulation.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify wavelength optimization and mounting tolerances in technical specs
• Avoid Chapter 70 glass classification by proving crystalline quartz construction
• Include calibration certificates for duty preference programs