Czochralski Crystal Puller for Optical Fiber Preforms from United States
A Czochralski crystal puller specifically designed to grow high-purity silica monocrystalline boules from which optical fiber preforms are sliced. It melts silica in a crucible and slowly pulls a seed crystal to form the boule, a process essential for producing the core material of optical fibers. This machine falls under tariff item 8475.21.00 as it is used for making optical fibre preforms.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the machine is classified as a complete unit for making optical fibre preforms, not as a general crystal-growing apparatus
• Provide technical documentation to CBSA showing its specific use in optical fibre preform production
• Verify if any provincial regulations apply to the use of high-temperature furnaces