Fireclay Gunning Mix Refractory from Mexico
A pneumatic-applied fireclay refractory mix for repairing furnace hot spots via guniting. Falls under HTS 3816.00.20.10 as clay-based refractory concrete for spray application in steel plants.
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
• Include gunning velocity and bond strength test data to validate refractory performance
• Separate from castables (3816.00.50) by proving dry clay powder form
• Avoid bulk clay confusion; ship with application instructions for guniting