Synthetic Diamond Polishing Powder 1000 Mesh Optical Grade from Japan
1000 mesh (10-20 micron) synthetic diamond polishing powder for optical lens and mirror finishing. Meets HTS 7105.10.0030 criteria as synthetic diamond powder 80 mesh or finer per Chapter 71 sieve definition. Removes sub-micron surface defects on glass and crystals.
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
• Mono-layer vs poly-layer dispersion specs impact yield; declare coating type if applicable
• Static-free packaging mandatory for fines; ESD certs prevent loss in transit
• Avoid 'gem polish' labeling—industrial use only to stay in 7105