产品描述 Description
GYFTA 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。缆芯的中心是一根非金属加强芯（FRP），对于某些芯数的光缆来说， 非金属加强芯外还需挤上一层聚乙烯（PE）。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。涂塑铝带（APL）纵包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. 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 an Aluminum Polyethylene Laminate (APL) moisture barrier is applied around the cable core, the cable is completed with a PE sheath.
·产品特点 Characteristics
· 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 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
· 特别设计的紧密的光缆结构，有效防止套管回缩
· Specially designed compact structure is good at preventing loose tubes from shrinking
· PE 护套具有很好的抗紫外辐射性能
· PE sheath protects cable from ultraviolet radiation
· 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
- 涂塑铝带（APL）防潮层
- APL moisture barrier
·产品标准 Standards
GYFTA 光缆符合 YD/T 901-2001 和 IEC 60794-1 标准
GYFTA cable complies with Standard YD/T 901-2001as well as IEC 60794
储存、使用温度: -40℃ 至 + 70℃
Storage/Operating Temperature : -40℃ to + 70℃ |
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