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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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