Fiber Preform Dehydration Oven from United States
A dehydration oven that removes hydroxyl impurities from soot preforms using chlorine gas at elevated temperatures, a critical step for producing low-loss optical fibers. It operates in a controlled humidity environment to ensure the preform's purity. This machine is used in the manufacture of optical fibre preforms, thus classified under tariff item 8475.21.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the oven is designed specifically for optical fibre preform processing, not general glass annealing
• Include process specifications in the customs declaration to support classification
• Check for any safety or environmental permits required for chlorine gas usage