In the structure of Model GYTS Optical cable,the single mode or multimode optical fibers are jacketed by loose tube and the tube is made of high modulus polyesterl.Inside the tube,it is filled with waterproof filling compound.One piece of metallic reinforced core is in the center of the cable core.For some optical cable with number of cores,a layer of extruded PE functions jacket of the metallic reinforced core.Surrounding the center reinforced core,the loose tube (and filling cord)is twisted into a co***ct and round cable core.The gaps within the cable core are filled with waterproof compound.After it is longitudinally wrapped by both side plastic coated steel tapes,PE sheath is extruded to form an optical cable.
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