Industrial Thermometer Glass Tubing from Canada
Borosilicate capillary tubing with precise bore for industrial thermometers, unworked 4mm OD. HTS 7002.39.00.90 as other unworked tubes; bore formed during drawing process.
Duty Rate — Canada → United States
16%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Bore diameter tolerance ±0.01mm requires precise measurement documentation
• Annealing certificate confirms thermal stress relief without working
• Avoid declaring as finished thermometer stems (9025.19)