Cupro-Nickel Silver-Plated Thermocouple Wire from China
Specialized thermocouple extension wire of copper-nickel alloy (constantan type) with silver plating for improved signal integrity in temperature sensing. It falls under tariff item 7408.22.00 as wire of copper-nickel base alloys, with the silver plating not affecting its classification.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the constantan alloy meets the copper-nickel base alloy definition (nickel ≥5%, zinc ≤1%)
• Provide technical datasheets showing the alloy composition and wire dimensions
• Be aware that thermocouple wire may be subject to additional standards if used in safety-critical applications