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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