一种B1级阻燃光缆
By optimizing the optical cable structure and adopting a multi-layer protective material design, the flame retardancy problem of the optical cable in the event of a fire has been solved, ensuring the continuity and safety of optical fiber communication and reducing fire losses.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI KETER POLYMER MATERIAL
- Filing Date
- 2025-08-29
- Publication Date
- 2026-07-17
AI Technical Summary
Existing optical cables cannot effectively resist fire in densely populated areas during fires, leading to communication interruptions and property damage, and cannot meet the requirements for high flame retardancy.
By optimizing the structural design of the optical cable, including the combination of semi-dry cable core, flame-retardant layer and outer sheath, and using materials such as phosphated steel wire central reinforcement, polybutylene terephthalate loose tube, aluminum-plastic composite tape, ceramicized composite tape and flame-retardant braided layer, a multi-layer protective structure is formed to prevent the spread of flames and isolate oxygen.
It achieves B1-level flame retardant performance for optical cables in the event of a fire, ensuring the continuity of optical fiber communication and minimizing fire losses.
Smart Images

Figure CN224519017U_ABST