Alumina Thermocouple Protection Tube from Japan
Fired alumina ceramic tube containing 99% alumina (Al2O3), used to protect thermocouples in high-temperature furnaces and kilns. This essential refractory component for temperature measurement in industrial processes falls under tariff item 6903.20.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the tube's alumina content exceeds 50% by weight and is fired above 800°C
• Provide technical data to CBSA for classification
• Consider if the tube is part of a thermocouple assembly, which may affect classification