Synthetic Diamond Powder 100 Mesh from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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