๐—–๐—ฒ๐—น๐—ฎ๐—ป๐—ฒ๐˜€๐—ฒ ๐—ถ๐—ป๐˜๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐˜๐—ถ๐—ผ๐—ป ๐—ผ๐—ณ ๐—ฝ๐—ผ๐—น๐˜†๐—ฝ๐—ต๐˜๐—ต๐—ฎ๐—น๐—ฎ๐—บ๐—ถ๐—ฑ๐—ฒ (๐—ฃ๐—ฃ๐—”) ๐—ญ๐˜†๐˜๐—ฒ๐—น®๐—›๐—ง๐—ก๐—™๐—˜๐Ÿญ๐Ÿฏ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿด

If CTI and electrical tracking are critical considerations for your application, then this post’s for you.

#ComparativeTrackingIndex (CTI) directly influences long-term electrical safety, not just regulatory compliance. High-CTI thermoplastics (Class I,≥600 V) like those developed by Celanese enable manufacturers to:

* Reduce #creepage and clearance distances without compromising safety

* Increase power density in compact #connector and #busbar designs

* Improve reliability under real-world contamination and humidity conditions.


Design features such as ribs can extend tracking path length, but material choice remains the first line of defense. At next week’s Plastics in Electric & Autonomous Vehicles Conference 2026 in Troy, MI, organized by the Automotive Division of the #SPE, our own Prabuddha Bansal will introduce #Zytel®HTNFE130008, a high CTI solution based on #polyphthalamide [PPA] that allows for design optimization, enhanced electrical safety, and reliability in harsh environments.


source : Celanese Engineered Materials

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