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GYFTY 光纜的結構是將 250μm 光纖套入高模量材料製成的松套管中，松套管內填充防水化合物。纜芯的中心是一根玻璃纖維增強塑料（FRP），松套管（和填充繩）圍繞中心加強芯絞合成緊湊和圓形的纜芯，纜芯內的縫隙充以阻水填充物。 纜芯外擠上一層聚乙烯內護套成纜。

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.

　

        · 具有很好的機械性能和溫度特性
        · Good mechanical and temperature performance

        · 松套管材料本身具有良好的耐水性能和較高的強度
        · High strength looes tube that is hydrolysis resistant

        · 管內充以特種油膏，對光纖進行了關鍵性保護
        · Special tube filling compound ensure a critical protection of fiber

        · 良好的抗壓性和柔軟性
        · Crush resistance and flexibility

        · 採用下列措施來確保光纜的防水性能：
        · The following measures are taken to ensure the cable watertight:

                - 單根非金屬中心加強芯
                - Single Fiber Reinforced Plastic as the central strength member

                - 松套管內填充特種防水化合物
                - Loose tube filling compound

                - 完全纜芯填充
                - 100% cable core filling

        GYFTY 光纜符合 YD/T 901-2001 和 IEC 60794-1 標準
        GYFTY cable complies with Standard YD/T 901-2001as well as IEC 60794-1.