Raman Spectrometer Grating Replacement from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify blaze wavelength and efficiency curves; provide parent spectrometer documentation; ensure grating alignment specifications match original