Flame-Retardant PTFE Wire Insulation for Safety-Critical Systems

Safety-critical systems such as building fire protection electrical systems, aerospace equipment, new energy power systems, medical emergency equipment, and industrial safety control circuits have extremely stringent safety standards for wire insulation materials. Ordinary wire insulation is flammable, and will produce a large amount of toxic smoke and molten droplets when burning, which is easy to cause fire spread and secondary pollution, seriously threatening equipment and personnel safety. Flame-retardant PTFE wire insulation, with inherent non-flammable performance and high safety characteristics, has become the standard insulation material for safety-critical electrical systems PTFE TUBE.

Different from traditional flame-retardant wires that rely on chemical flame retardant additives, PTFE wire insulation has inherent flame-retardant performance, no need to add any flame retardant components, and will not burn in the air. Its limiting oxygen index is as high as 95%, which means it can only maintain stable state in ultra-high oxygen environment and cannot support combustion. When encountering circuit short circuit, electric spark and open fire impact, PTFE insulation will not ignite or spread flame, effectively blocking the spread of electrical fire and greatly improving the fire safety level of electrical systems.

In the fire emergency process, traditional wire insulation burning will produce toxic and harmful gas and molten dripping, causing personnel poisoning and fire spreading. Flame-retardant PTFE wire insulation will not produce toxic smoke and molten droplets under high-temperature burning conditions, with zero harmful gas emission, which meets the highest safety and environmental protection standards of safety-critical systems. High-purity PTFE SHEET raw materials ensure uniform flame-retardant performance of each section of the wire, without local flame-retardant failure, achieving full-line safety protection.

While having excellent flame-retardant safety, PTFE wire insulation retains all high-performance electrical insulation characteristics. It has high dielectric strength, low dielectric loss, wide temperature resistance range and chemical corrosion resistance, which can maintain stable insulation performance in high-temperature, high-pressure and complex corrosive environments. It avoids the problem that traditional flame-retardant wires sacrifice electrical performance and service life for flame-retardant effect, realizing the integration of high safety and high stability of safety-critical systems.

At present, flame-retardant PTFE wire insulation is widely used in high-rise building fire-fighting wiring, aerospace safety circuits, new energy battery wiring systems, medical emergency equipment circuits, nuclear power safety control systems, and industrial explosion-proof electrical wiring. It provides reliable fire safety guarantee for key safety systems, effectively reduces the risk of electrical fire accidents, and ensures the safe and stable operation of safety-critical electrical equipment in special scenarios.