Synthetic Diamond Powder 100 Mesh from Japan
Ultra-fine synthetic diamond powder with particle size of 100 mesh or finer (aperture <0.149 mm), produced via HPHT or CVD methods for industrial applications. Classified under HTS 7105.10.0030 as synthetic diamond powder where 90% or more passes through a 0.5 mm sieve and meets the 80 mesh or finer specification. Primarily used in precision lapping and polishing compounds.
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
• Provide lab certification confirming 90%+ particles pass 0.5 mm sieve and 80 mesh or finer to avoid reclassification to coarser subheadings
• Declare synthetic origin via CVD/HPHT process documentation; natural diamond dust falls under 7105.21