Reference Beam Splitter Assembly from Mexico
Calcium fluoride beam splitter with kinematic mount for dual-beam UV-Vis spectrophotometers under 9027.30.40. Maintains reference beam stability for accurate absorbance readings. Precision optical/electrical part under 9027.90.56.30.
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
• Provide coating specifications, wavelength range, and alignment tolerances
• Include proof of principal use via instrument service manuals referencing the part
• Declare optical substrate material (CaF2, quartz) accurately for verification