Phenolic Resin Magnesia-Carbon Well Block from China
Refractory well block for ladle slide gate assemblies, containing 78% magnesia, 18% carbon via flake graphite, bonded with phenolic resin. Forms stable seating for nozzles in steel pouring systems. Precisely matches 6815.91.0011 specifications.
Duty Rate — China → United States
37.5%
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
• Specify 'phenolic resin' explicitly in commercial invoices and packing lists
• Large blocks (>500mm) risk reclassification to 6902 as formed refractories
• Ensure no hydraulic additives mentioned that could disqualify chemical bonding status