E-FLEX® High Temp Self-Closing Wire Wrap (175°C) is engineered for EV and demanding industrial environments, this sleeving features a PET mono- and multifilament hybrid structure that has been proven to remain securely closed without deformation after a 175°C/168H endurance test 。With thermal aging resistance validated against ISO 6722, it provides automotive-grade protection while drastically improving installation efficiency through its self-wrapping design—making it the premier choice for high-voltage and battery pack harness management 。