Precision Lapping Synthetic Diamond Powder 1-3µm from China
Monocrystalline synthetic diamond powder 1-3 micron size for final lapping of hydraulic spools and precision bearings. Meets all HTS 7105.10.0050 criteria for synthetic diamond powder. Optical and metrology grade purity.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Provide flatness specification (Ra <5nm achievable) for precision lapping verification
• Use PG mixers only for slurry preparation post-import; ship dry powder
• Document spherical crystal percentage (>80%) for flat lapping performance