Chromite Mullite Composite Refractories from United States
Chromite mullite composite refractories are composite shapes blending chromite and mullite, used in glass tank regenerator checkerwork. They contain chromite and are refractory constructional products for high-temperature industrial use. They fall under this tariff item as they are not excluded by Chapter 68 notes.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the chromite content and refractory nature with product specifications
• Ensure the goods are not classified as electrical insulators or fittings
• Provide end-use documentation for glass tank applications to support classification