Walnut Shell Flour Abrasive Grade from China
Note: While typically from nuts, certain wood flours mimic this; fine walnut-like hardwood flour for gentle abrasives. HTS 4405.00.00.00 for precision polishing powders. 400 grit equivalent particle size.
Duty Rate — China → United States
40.7%
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
• Hardness (Mohs scale) certification for abrasive applications
• Angular particle analysis distinguishes from spherical blasting media
• Contaminant levels (<50 ppm metals) for precision polishing