Raman Spectrometer Grating Replacement from China
Volume phase holographic grating for high-resolution Raman spectrometers used in materials characterization. Repair component for 9810.00.60-admitted Raman systems at chemistry departments.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify blaze wavelength and efficiency curves; provide parent spectrometer documentation; ensure grating alignment specifications match original