产品结构：中间为PBT松套管，填充阻水缆膏，绕包12根(或10根、或8根)圆形钢丝均匀绞合，外纵包无纺布加PE护套。structure :PBT for the middle-casing filled with water blocking cable paste, packets around 12 (or 10 or eight) round wire strands uniform, non-woven fabrics, vertical-plus PE sheath.光纤数量(quantity of fibers)：2～12松套管尺寸(Looae tube)：2.0～3.0护套厚度（Outer PE jacket）：1.8～2.5光缆外直径(outer diameter)（mm）：7.5～8.8光缆重量(approximated cable weight)(kg/km)：75附设方式(Laying mode)：管道、架空(Duct, Aerial)适用温度范围(operating temperature)：-40℃～+60℃应用范围：适用于长途通信和局间通信Application：Long distance and interoffice communication产品特点(features)：1.合理的设计及精确的控制松套管中光纤的余长，使光缆具有优良的抗拉性能和温度性能。Reasonable design and precise control over the loose-tube fiber in the remainder of a long, fiber optic cable with excellent performance and temperature tensile properties.2.结构紧凑，使光缆具有优越的弯曲性能。Compact, so that the cable is well-positioned to bending performance.3.钢丝铠装抗侧压性能优良，并具有防弹能力。Wire-side pressure Armored excellent performance, and a bullet-proof capability.4.松套管材料本身具有良好的耐水解性能和较高的强度，管内充以特种油膏，对光纤进行了关键性保护。5.PE护套具有很好的抗紫外辐射性能，直径小、重量轻、容易敷设。主要机械性能(The main mechanical properties)：允许拉伸力(Allow tensile force)(N)短期(short-term)1500长期(long-term)600允许压扁力(Allow squash Force)(N/100mm)短期(short-term)1000长期(long-term)300最小弯曲半径(min bend radius)（D：光缆外径mm)静态(Static)10D动态(Dynamic)20D