·产品描述 description gyxy 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。松套管外加阻水材料以保证光缆纵向阻水，两侧放置两根平行钢丝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. over the tube, water-blocking material is applied to keep the cable watertight. two parallel steel wires are placed at the two sides. the cable is completed with a polyethylene (pe) sheath. 　
·产品特点 characteristics · 具有良好的机械性能和温度性能 · good mechanical and temperature performance · 松套管材料本身具有良好的耐水解性能和较高的强度 · high strength loose 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 · 两根平行钢丝保证光缆的抗拉强度 · two parallel steel wires ensure tensile strength · pe 护套具有很好的抗紫外辐射性能 · pe sheath protects cable from ultraviolet radiation · 直径小、重量轻、容易敷设 · small diameter, light weight and friendly installation · 较长的交货长度 · long delivery length ·产品标准 standards gyxy 光缆符合 yd/t 769-2003 标准 gyxy cable complies with standard yd/t 769-2003. ·光学特性 optical characteristics 　
g.652
g.655
50/125μm
62.5/125μm
衰减attenuation
(+20℃)
@850nm
≤3.0 db/km
≤3.0 db/km
@1300nm
≤1.0 db/km
≤1.0 db/km
@1310nm
≤0.36 db/km
≤0.40 db/km
@1550nm
≤0.22 db/km
≤0.23db/km
带宽(a级)
bandwidth (class a)
@850nm
≥500 mhz·km
≥200 mhz·km
@1300nm
≥1000 mhz·km
≥600 mhz·km
数值孔径numerical aperture
0.200±0.015na
0.275±0.015na
光缆截止波长cable cut-off wavelength λcc
≤1260nm
≤1480nm
·结构参数 technical parameters 　
光缆型号cable type
光纤数fiber count
光缆直径
cable diameter
mm
光缆重量cable weight kg/km
允许拉伸力
tensile strength
长期/短期
long/short term n
允许压扁力crush resistance
长期/短期
long/short term
n/100mm
弯曲半径
bending radius
静态/动态
static /dynamic
mm
gyxy
2~12
9.5
90
600/1500
300/1000
10d/20d
gy xy
2~12
10.2
100
1000/3000
1000/3000
10d/20d
储存、使用温度: -40℃ 至 + 70℃ storage/operating temperature : -40℃ to + 70℃

---

耐斯龙中国光纤光缆有限公司
李进岭
13925685537
深圳市福田区华强北振中路87号华胜大厦