Plasma CVD Preform Deposition Tower from Canada
Plasma-enhanced CVD tower uses microwave plasma to deposit high-purity silica inside rotating tubes for advanced optical fiber preforms with fluorine doping capability. Produces fibers for long-haul telecom. Under HTS 8475.21.00.00 as specialized optical fiber manufacturing machine.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include microwave frequency specs and plasma containment documentation
• Distinguish from semiconductor plasma etchers (Chapter 90 testing)
• RF shielding compliance for electromagnetic compatibility