... ,CE,SGS Optical fiber/optical cable/fiber optic cable/fiber optical cable/outdoor cable/ optic fiber cable-- GYXTC8S 1) single PBT Loose tube, filling jelly, (around strength steel wire members), corrugated steel tape, PE ... structure, light weight, steel tape armored excellent crush resisitant performance3) Excellent water proof layer, good moisture resistance4) Suitable for direct burial5) Apply ...