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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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