Glass Manufacturing Sodium Sulfate Frits from Mexico
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 — Mexico → United States
10.4%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide melting point specs; declare as inorganic salt not glass
• Pitfall: post-fusion products reclassify to Chapter 70