Halogen-free low-smoke flame-retardant cross-linked polyolefin insulated cable applications

　　Halogen-free low-SMoke flame-retardant cross-linked polyolefin insulated cable is a special cable designed for safety and environmental protection needs. It is widely used and critical, and is mainly used in the following fields:

　　Core application scenarios

　　Public buildings and infrastructure

　　High-rise buildings: used for power transmission and distribution, fire protection systems, and emergency lighting to ensure low smoke and low toxicity in the event of a fire, making it easy for personnel to evacuate.

　　Transportation hubs: such as airports, stations, and subways, meet the requirements of high flame retardancy and low smoke, and protect the safety of dense populations.

　　CoMMercial venues: shopping malls, theaters, and other crowded areas to reduce the risk of fire.

　　Industrial and special environments

　　Petrochemical: corrosion resistance and high temperature resistance are suitable for complex industrial environments.

　　Nuclear power plants: Halogen-free low-smoke materials reduce the risk of radioactive material diffusion.

　　Tunnels and underground engineering: flame retardancy prevents the spread of fire and ensures the safety of escape routes.

　　Fire and emergency systems

　　Power supply line: for fire pumps, emergency lighting, smoke exhaust equipment, fire-resistant cable can continue to power in the flame.

　　Signal transmission: Connect fire alarm and monitoring equipment to ensure smooth emergency communication.

　　Power and communications

　　Transmission and distribution system: Support 450/750V and below voltage levels, suitable for power equipment connection.

　　Communication cable: Low smoke and halogen-free characteristics protect precision equipment from corrosion.

　　Technical advantages and compliance

　　Flame retardancy

　　Through GB/T19666 fire test, in line with IEC60332-3 international standards, to maintain circuit integrity under flame.

　　Environmental protection and safety

　　During combustion, the emission of halogen gas is 0, the smoke pH is ≥ 4.3, and the conductivity is less than or equal to 10 μS/mm (in accordance with IEC754). There is no risk of toxicity.

　　Temperature resistance range

　　Long-term operating temperature -20 ° C to 90 ° C, some models can withstand -40 ° C to 105 ° C, adapting to extreme environments.

　　III. Typical product examples

　　WDZA-KYJY cable: used in nuclear power plants, subway control circuits, both flame retardant and low smoke characteristics.

　　WDZN-RYJS cable: dedicated to fire protection, supporting emergency power supply and smoke exhaust equipment power supply, in line with GB/T5023 standards.

　　summarize

　　By combining the high performance of halogen-free, low smoke, flame retardant and cross-linked polyolefins, this cable is a key material for modern construction, industrial and fire protection systems, especially in safety and environmental demanding scenarios. Its compliance and technical characteristics make it an indispensable choice in fire protection design.