Basic Refractory Gunning Concrete from Japan
Magnesia-spinel based dry gunning mix for basic oxygen furnace repairs. HTS 3816.00.20.50 'other' classification applies for its high lime/magnesia content resisting basic slags up to 1750°C. Applied via high-velocity gunning for minimal downtime.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Basicity index and spinel formation specs required for steel mill verification
• Dust suppression additives declared to meet OSHA import standards
• Avoid general 'concrete' labeling; specify 'refractory gunning grade'