Industrial Diamond Microns for Lapping from Japan
Precisely graded diamond grit (1-50 microns) for final polishing of semiconductors, optics, and precision bearings. HTS 7102.29.00 as worked industrial diamonds in powder form per subheading definition. Friable monocrystalline structure optimized for lapping.
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 micron size range and friability type in entry docs; provide sieve analysis certificate
• Segregate from coating-grade diamonds to maintain 7102 classification
• Cleanliness specs critical for semiconductor use