Fused Quartz Optical Fiber Drawing Tubes from United States
Fused quartz optical fiber drawing tubes are precision unworked tubes made of fused silica, used in the production of optical fibers. Their high clarity and low impurity levels are essential for maintaining signal integrity during fiber drawing. They fall under tariff item 7002.31.00 as unworked tubes of fused quartz or other fused silica.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the tubes are unworked (not cut, bent, or polished) to qualify for this tariff item
• Declare the exact fused silica content and purity to avoid misclassification
• Keep supplier documentation showing the manufacturing process for CBSA verification