Basic Refractory Gunning Concrete from China
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 — China → United States
40.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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'