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GYXTW 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。松套管外用一層雙面塗塑鋼帶（PSP）縱包，鋼帶和松套管之間加阻水材料以保証光纜的緊湊和縱向阻水，兩側放置兩根平行鋼絲后擠制聚乙烯護套成纜。

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. The tube is wrapped with a layer of PSP longitudinally. Between the PSP and the loose tube water-blocking material is applied to keep the cable compact and watertight. Two parallel steel wires are placed at the two sides of the steel tape. The cable is completed with a polyethylene (PE) sheath.
 

        · 具有良好的機械性能和溫度性能
        · Good mechanical and temperature performance

        · 松套管材料本身具有良好的耐水解性能和較高的強度
        · High strength loose 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

        · 雙面塗塑鋼帶（PSP）提高光纜的抗透潮能力
        · PSP enhancing moisture-proof

        · 兩根平行鋼絲保証光纜的抗拉強度
        · Two parallel steel wires ensure tensile strength

        · 直徑小、重量輕、容易敷設
        · Small diameter, light weight and friendly installation

        · 較長的交貨長度
        · Long delivery length

        GYXTW 光纜符合 YD/T 769-2003 標準
        GYXTW cable complies with Standard YD/T 769-2003.