Magnesia-Dolomite Ramming Mix from Mexico
Blended ramming mix of 60% magnesia and 40% dolomite for ladle maintenance in secondary steelmaking. Falls under HTS 3816.00.10.00 as a dolomite-based ramming mix designed for hot repairs in molten metal containment.
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
• Test for proper grain sizing distribution before import acceptance; ensure DOT-compliant packaging for bulk powder shipments; monitor for free silica content under OSHA limits