Industrial Anhydrous Sodium Sulfate 99.5% Purity from Canada
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 — Canada → United States
10.4%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include assay certificates showing >99% Na2SO4; comply with TSCA registration for chemical imports; avoid bulk packaging that could imply fertilizer use