Synthetic Diamond Powder from China
Fine synthetic diamond powder where 90% or more passes through a 0.5 mm sieve, used for industrial grinding and polishing applications. Classified under HTS 7105.90.00.00 as powder of synthetic precious stones (diamonds). Meets subheading note definition for 'powder form'.
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%+ passes 0.5mm sieve to meet 'powder form' definition
• Declare synthetic origin accurately; natural diamond powder may shift to 7105.21
• Avoid misclassification as finished abrasives under Chapter 68; focus on raw stone powder