Industrial Salt Cake for Glass Manufacturing from Mexico
Coarse-grained salt cake used primarily as a flux in flat glass production to lower melting temperatures of silica. Classified under HTS 2833.11.10.00 due to its identification as 'salt cake,' the standard technical grade sodium sulfate for industrial applications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide end-use statement for glass production to support valuation; bulk shipments require proper ventilation to prevent caking
• Avoid classifying with glass frit additives which fall under 3207