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. Then the cable core is filled with water-blocking compound and covered with a PE inner jacket. After the corrugated steel tape (CST) 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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