Sorel Cement Powder from China
Magnesium oxide-based hydraulic cement (Sorel) that sets with magnesium chloride solution, used for flooring. Though chemically distinct, classified HTS 2523.90.00.00 as other hydraulic when sold as powder. Not magnesium oxide crystals excluded by chapter note.
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
• Specify MgO purity >85%; lower grades may be refractories
• Ship with moisture barriers to prevent premature hydration
• Distinguish from dead-burnt magnesite (2518.90) via reactivity tests