Phenolic Resin Magnesia-Carbon Well Block from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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