Sodium Metasilicate Pentahydrate Powder from Mexico
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 — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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