Silica Glass Microspheres (Fused Quartz) from China
Synthetic fused silica glass microspheres (1-20 microns) for semiconductor polishing slurries. HTS 7018.20.00.00 includes fused quartz microspheres ≤1 mm per chapter note defining 'glass' inclusively.
Duty Rate — China → United States
42.5%
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
• Certify SiO2 purity level; use anti-static packaging for cleanroom compatibility; segregate from leaded glass types