The fibers are positioned in a loose tube made of high modulus plastic and filled with gel. Tubes (and fillers) are stranded around the metallic strength member to form the cable core. An Aluminum tape(APL) is applied around the core, which is filled with the water-blocking compound. Then the cable core is covered with a PE inner jacket. After the steel tape is longitudinally armored over the inner jacket, the cable is completed with a PE outer jacket.
Equipped with the most advanced fiber drawing towers, high-speed proof testers,and other optical and mechanical testing facilities, CROFC is capable of producing 15 million core kilometres fibers and cables with superior performance.
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