High-Insulation Polyester Film

Made from polyethylene terephthalate (PET) through advanced extrusion and biaxial orientation processes, polyester film is mainly used for wrapping busway conductors to effectively prevent short-circuit faults. Despite its thin thickness, the film exhibits excellent insulating properties, maintaining high insulation resistance under high-temperature and high-voltage conditions. This significantly reduces the risk of current leakage, providing reliable protection for the safe and stable operation of busways.In terms of mechanical properties, polyester film balances rigidity and toughness with moderate hardness. It has good rigidity to maintain shape stability and excellent toughness to withstand puncture and friction. This characteristic enables it to effectively resist external impacts during busway installation and long-term operation, ensuring the integrity of the insulation structure. Meanwhile, the film boasts superior gas barrier properties, effectively blocking the penetration of moisture and oxygen to prevent conductor performance degradation due to moisture or oxidation. Additionally, its good chemical stability offers strong resistance to common chemical erosion, adapting to various complex application environments.

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