Calcium Fluoride Lens Blank for IR Spectroscopy from Japan
CaF2 (calcium fluoride) crystalline blank for infrared spectrometer lenses, machined but not polished. Though technically crystalline, classified as optical glass element in 7014.00.10.00 for non-spectacle blanks.
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
• ,Hygroscopic material—declare proper packaging to prevent damage claims
• Avoid mixing with spectacle-grade fluorides