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ITW Formex

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Formex® Electrical Insulation Material Meets Requirements of Electric Vehicle Battery Covers

Carol Stream, IL, July 29, 2016 --( ITW Formex® announced the suitability of its Formex™ brand electrical insulation material for electric-vehicle battery applications. Automotive battery covers made from Formex polypropylene electrical insulation meet the demanding requirements of electric vehicle design and manufacture.

Battery systems in electric vehicles stand up to demanding environmental, mechanical, and chemical requirements while emphasizing safety and weight reduction. The material chosen for automotive battery covers must be lightweight, inexpensive, flame retardant, and meet 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™ electrical insulation material meets all of these requirements. However, unlike materials that need to be molded into parts, Formex™ is 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 ideal for reliable service in automotive environments. In addition, Formex is resistant to most battery chemistries.

Formex™ delivers superior performance in comparison to other battery insulator materials such as aramid paper. Aramid paper absorbs significantly more moisture, is not as dimensionally stable, is more expensive, and does not provide score and fold capabilities. Because Formex™ is a better electrical insulator, thinner product can be used which will reduce weight.

For more information about using Formex™ material to make automotive battery covers for traditional and electric vehicle applications, or to request samples, contact ITW Formex at, phone (630) 889-8655, fax (630) 889-8713, email or in Asia

About ITW Formex:
ITW Formex® ( is a global manufacturer of innovative electrical insulating materials for electronics manufacturing and high voltage electrical and battery operated applications. ITW Corporation is a Fortune 200 Company with headquarters in Glenview, Illinois, and has more than hundreds of divisions independent operating divisions in over 50 countries. ITW is an innovative company with many patented inventions including the common self-locking plastic buckle, six-pack securement rings, zipper bag technology and many others.
Contact Information
ITW Formex
Sharon Gatlin-Chambers
(630) 315-2150

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