Clay Refractory Tube from China
High-temperature clay tubes for kiln furniture and thermocouple sheaths in industrial furnaces. These are shaped from refractory clay and fired above 800°C, making them fired ceramic goods. Tubes are explicitly named in heading 69.03, and the clay composition places them under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Verify the tubes are fired above 800°C, as lower-temperature articles are excluded from Chapter 69
• Maintain records of the clay composition and firing process in case the CBSA requests classification evidence
• No special permit is required for these refractory tubes