Magnesium Fluoride Powder from China
Magnesium fluoride (MgF2) powder coats optical lenses for anti-reflective properties and acts as a flux. Classified as other fluoride under HTS 2826.19.90.00.
Duty Rate — China → United States
41.4%
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
• Specify coating-grade purity (>99%) to justify chemical classification
• Avoid bundling with lenses, which shifts to 9001 as finished optics
• Handle as irritant; provide exposure limits in SDS