Thermometer Glass Tubing from United States
Specialty unworked borosilicate tubing with precise bore and low thermal expansion for manufacturing mercury-free thermometers and temperature probes. These tubes meet the tariff item's coefficient of expansion requirement and are imported in raw tube form. They are classified under tariff item 7002.32.00 as unworked tubes of low-expansion glass.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the tubing is unworked and not cut to length, as cutting may reclassify it
• Provide technical data showing the expansion coefficient and bore precision
• If the tubing is for medical thermometers, check for any health product regulations