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GYTY53 光缆的结构是将 250μm 光纤套入高模量材料制成的松套管中，松套管内填充防水化合物。缆芯的中心是一根金属加强芯，对于某些芯数的光缆来说，金属加强芯外还需要挤上一层聚乙烯（PE）。松套管（和填充绳）围绕中心加强芯绞合成紧凑和圆形的缆芯，缆芯内的缝隙充以阻水填充物。缆芯外挤上一层聚乙烯内护套，双面涂塑钢带（PSP）纵包后挤制聚乙烯护套成缆。
The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. A steel wire, sometimes sheathed with polyethylene (PE) for cable with high fiber count, locates in the center of core as a metallic strength member. Tubes (and fillers) are stranded around the strength member into a compact and circular cable core. The cable core is filled with the filling compound to protect it from water ingress, over which a thin PE inner sheath is applied. After the PSP is longitudinally applied over the inner sheath, the cable is completed with a PE outer sheath.
·产品特点 Characteristics
· 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性能和较高的强度
· High strength looes tube that is hydrolysis resistant
· 管内充以特种油膏，对光纤进行了关键性保护
· Special tube filling compound ensure a critical protection of fiber
· 良好的抗压性和柔软性
· Crush resistance and flexibility
· 采用下列措施来确保光缆的防水性能：
· The following measures are taken to ensure the cable watertight:
- 单根钢丝中心加强芯
- Steel wire used as the central strength member
- 松套管内填充特种防水化合物
- Loose tube filling compound
- 完全缆芯填充
- 100% cable core filling
- 双面涂塑钢带（PSP）提高光缆的抗透潮能力
- PSP enhancing moisture-proof
- 良好的阻水材料防止光缆纵向渗水
- Water-blocking material
·产品标准 Standards
GYTY53 光缆符合 YD/T 901-2001 和 IEC 60794-1 标准
GYTY53 cable complies with Standard YD/T 901-2001as well as IEC 60794-1.
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·光学特性 Optical Characteristics |
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