具有很好的机械性能和温度特性
Good mechanical and temperature performance
松套管材料本身具有良好的耐水解性能和较高的强度
High strength loose tube that is hydrolysis resistant
管内充以特种油膏，对光纤进行了关键性的保护
Special tube filling compound ensure a critical protection of fiber
特种护套材料具有优异的阻燃性能
Special sheath material ensures excellent flame-retardant
performance
双面涂层钢带（PSP) 提高光缆的抗透潮能力
PSP enhancing moisture-proof
两根平行的钢丝保证光缆的抗拉强度
Two parallel steel wires ensure tensile strength
直径小、重量轻、容易敷设
Small diameter,light weight and friendly installation
较长的交货长度
Long delivery length