Sodium Metasilicate Pentahydrate Powder from China
Crystalline powder form of sodium metasilicate with five water molecules, widely used in heavy-duty cleaners and laundry detergents. It qualifies for HTS 2839.90.5000 as a commercial alkali metal silicate outside the specific sodium silicate subheadings.
Duty Rate — China → United States
40.6%
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
• Label with exact hydrate form and SiO2/Na2O ratio for accurate duty assessment
• Comply with TSCA for US imports to avoid environmental agency scrutiny