Spinel Polishing Grit from Japan
Synthetic spinel powder used in military optics and satellite lens polishing. Classifies in 7105.90.00.00 as other synthetic semi-precious stone powder.
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
• ITAR/EAR export controls may apply to defense end-use
• Refractive index certification proves optical gem quality
• Military contract invoices require end-user statements