Nickel Thermocouple Sheath from Mexico
A protective tube-shaped sheath of pure nickel for housing thermocouple wires in high-temperature environments. It is fabricated beyond simple tubing and is an other article of nickel, not a raw tube.
Duty Rate — Mexico → Canada
3%
Import Tips
• Ensure the sheath is not part of a complete thermocouple, which would be classified in Chapter 90
• Provide technical specifications showing the fabrication process and nickel purity
• Verify the sheath's use in high-temperature applications to support classification