Optical Fiber Preform Glass Tube from Canada
Specialty low-OH fused silica tubing for optical fiber preform overcladding, unworked 25mm OD. Technically fused silica but classified 7002.39.00.90 when in tube form for fiber production.
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
• OH content <1ppm certification critical for fiber optics
• Cleanroom packaging required; contamination voids specs