Pitch-Bonded Magnesia-Carbon Slide Gate Plate from United States
A refractory slide gate plate for steel ladles, featuring over 75% magnesia, 15% graphite carbon, and pitch chemical bonding for high-temperature steel flow control. It enables precise molten metal regulation in secondary metallurgy and is classified under 6815.91.90 as an other article containing magnesia.
Duty Rate — United States → Canada
5%
Import Tips
• Ensure the magnesia content exceeds 75% and carbon content is around 15% to match the tariff item
• The pitch bonding agent should be documented
• Check that the plate is not considered a tool or part of a tool under Chapter 82, which would exclude it from Chapter 68