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GYFTY 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。缆芯的中心是一根玻璃纤维增强塑料（FRP），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 Fiber Reinforced Plastic (FRP) locates in the center of core as a non-metallic strength member. The tubes (and fillers) are stranded around the strength member into a compact and circular core. After the cable core is filled with the filling compound to protect it from water ingress, the cable is completed with a PE sheath.

　

        · 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:

                - 单根非金属中心加强芯
                - Single Fiber Reinforced Plastic 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

        GYFTY 光缆符合 YD/T 901-2001 和 IEC 60794-1 标准
        GYFTY cable complies with Standard YD/T 901-2001as well as IEC 60794-1.