GLENVIEW, Ill.—ITW Formex® has announced the suitability of its Formex™ brand electrical insulation material for electric-vehicle battery applications. According to the company, automotive battery covers made from Formex polypropylene electrical insulation meet the demanding requirements of electric vehicle design and manufacture.
Battery systems in electric vehicles must meet demanding environmental, mechanical, and chemical requirements while emphasizing safety and weight reduction. The material chosen for automotive battery covers must be lightweight, inexpensive, and flame retardant, in addition to meeting rigorous electrical barrier and insulation requirements. To reduce OEM costs under maintenance service agreements, the battery cover material must be strong and serve reliably.
Formex (www.itwformex.com) electrical insulation material reportedly meets all of these requirements. Unlike materials that need to be molded into parts, Formex can be easily and economically formed into complex, three-dimensional parts by die-cutting, scoring, and bending. Its long-term thermal aging capabilities have been long recognized in other applications, making it suitable for reliable service in automotive environments. In addition, Formex is resistant to most battery chemistries, the company says.
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