Magnesia Ramming Refractory Mortar from Germany
A granular refractory mortar made from dead-burned magnesia and phosphate binders for repairing steel ladle linings. It qualifies for HTS 3816.00.20.50 as an 'other' refractory composition, offering superior slag resistance in steelmaking at temperatures exceeding 1600°C. Applied by pneumatic ramming for quick hot repairs.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include melting point (>1600°C) and slag resistance test reports to confirm refractory status
• Phosphate binders may trigger chemical import regs; prepare EPA notifications if applicable
• Avoid pitfall of bulk misclassification by specifying 'ramming mortar for metallurgical furnaces' on invoices