Dolomite Stopper Rods for Steel Teeming from Mexico
Refractory stopper rods with dolime heads for controlling ladle steel flow. HTS 6815.91.00 classification for dolomite-containing mineral articles. Essential for secondary steel refining.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include assembly diagrams showing dolime tip composition
• Separate from alumina stoppers (6815.92)
• Thermal shock resistance specs validate use