... type, Gelly filled, Polyethylene(PE) inner sheath, Fiber Optical Cable Metal Strength member,Loose tube stranding type, gelly filled,Polyethylene ... , PSP armor and Polyethylene(PE) outer sheath,,Outerdoor optical fiber cable for telecommunicationTechnical characteristics:Very strict material and manufacturing control ... (mm)Long-term 20DShort-term 10DOperating temperature (oC)-40~60The wayAerial Duct