Radiation-Hardened Optical Fiber from China
Pure silica core fiber doped for minimal radiation-induced attenuation, used in space, nuclear, and high-energy physics environments. Maintains transmission under gamma/neutron exposure. HTS 9001.10.0070 for environmentally specialized fibers.
Duty Rate — China → United States
44.2%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include radiation test data (dose, attenuation change) proving hardening characteristics,Document end-use applications to distinguish from standard telecom fiber,Import bare fiber only; armored cables for harsh environments classify under 8544