Industrial Anhydrous Sodium Sulfate 99.5% Purity from Mexico
High-purity anhydrous Na2SO4 used in glass manufacturing as a fining agent to remove bubbles and improve clarity. Classified under HTS 2833.11.5010 for its anhydrous form and chemical definition as disodium sulfate. Essential for producing flat glass and containers.
Duty Rate — Mexico → United States
10.4%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include assay certificates showing >99% Na2SO4; comply with TSCA registration for chemical imports; avoid bulk packaging that could imply fertilizer use