GYTA型 参数 光缆芯数(根) No. of fiber 2-288芯 光缆外径 Outer dia. 8.8-11 光缆数目×直径 No of steel wire×diameter 2×1.2 2×1.5 抗拉力(N)短期 Tensil strength resistance(shortterm) ≥1500 抗侧压(N/100mm2) S.P.resistance ≥1000 Crusit resistance 5N.m×5次 允许弯曲半径(动态) Permissible bending radius 20倍光缆外径 20 times as outer dia. of fiber cable 温度特性 Temperature -40℃~+60℃范围内光缆附加损耗 -40℃~+60℃ range the additional loss of fiber cable a≤0.1dB/2km 重量(kg/km) Weight 100-120 纵向阻水性能 Longitudinal waterproof 1米高水柱24h后3m试样无水渗出 No water seepage for 3m samples in 1m water head for 24h 特征 Properties 重量轻、价格低、适用于架空、管道敷设 Light weight,low price,suitable for overhead,duct laying