Glass Manufacturing Sodium Sulfate Frits from Canada
Fritted disodium sulfate for high-temperature flux in flat glass production. Classified HTS 2833.11.5050 as other pure disodium sulfate, not glass powder of 3207 per Chapter exclusions. Chemically defined prior to vitrification.
Duty Rate — Canada → United States
10.4%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide melting point specs; declare as inorganic salt not glass
• Pitfall: post-fusion products reclassify to Chapter 70