Extending Car Harness Lifespan in Tropical Climates with Guangdayuan's PE Protection
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-08-06
In the challenging environment of Southeast Asia, where humidity often soars, automotive wiring harnesses face a significant threat. Statistics reveal that in such humid conditions, these harnesses endure a staggering 30% higher failure rate, primarily due to abrasion and rodent damage. However, Guangdayuan's innovative triple-layer PE film emerges as a reliable solution, offering robust year-round protection even in environments with up to 95% humidity.
The film's black layer, with a Shore hardness of 65D and an impressive puncture resistance of 28N, demonstrates exceptional performance. Rigorous vibration testing for 500 hours shows that it reduces insulation wear to a mere 0.03mm, which is five times more effective than traditional PVC sleeves. A real-world example from a Bangkok automaker illustrates the film's efficacy, as the wiring short-circuit rate plummeted from 12PPM to 3PPM after adopting this solution. On the other hand, the white layer is embedded with hindered phenol antioxidants, extending the thermal life of the wiring harness to 8,000 hours at 120°C, surpassing the requirements of ISO 6722 standards.
In addition to its protective qualities, the film's 150% transverse elongation allows it to seamlessly conform to harness branches while maintaining IP67 waterproofing. In rural Indonesian trials, rodent-repellent additives within the film proved to be 90% effective. Installers also appreciate the film's user-friendly properties, such as the 1.8N/25mm initial adhesion that strengthens to 80% of its final bond within an hour. This feature has significantly enhanced efficiency, cutting the wrapping time by 40% at a Jakarta assembly plant.#PE black and white protective film#
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