Andalusite-Based Refractory Guniting Mix from Mexico
Pneumatic-applied mix with andalusite for wear-resistant coatings in blast furnaces. Classified HTS 3816.00.20 as other refractory compositions, high mullite formation for thermal stability.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Prove guniting flowability with nozzle velocity tests
• Dust control packaging; comply with pneumatic handling regs
• Avoid 3816.00.10 unless dolomite-specified