Press Releases


Press Release - Formex GK

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Carol Stream, IL — May 28, 2019 Contact: Jamie Li, Product Manager   IITW Formex is proud to sponsor the Virginia Tech Formula SAE with ...

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ITW Formex® GK Series of flame retardant dielectric insulation material has enjoyed some of the highest UL insulation material safety ratings for decades. For reference, below is the ITW Formex® GK “UL Yellow Card”.

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ITW Formex® flame retardant (FR) insulation films are seeing wide adoption in Electric Vehicle (EV) power system applications around the world. Formex® GK-5BK (UL E121855) is the material of choice by global EV battery Tier 1 programs through industry leading manufacturers. Formex® understands EV power insulation safety needs and requirements as well as EV power engineering design considerations. Superior performance specifications make Formex® the ideal insulation solution for EV power system components including EV Battery Pack, EV Onboard Charger, EV DC/DC Converter, EV Power Electronics Controller, EV DC Charging Station, EV Battery Management System and PV Solar Power Inverter.

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ITW Formex® announced Formex™ GK, an improved formulation of polypropylene electrical insulation with enhanced structural integrity and ability to be scored and folded into three-dimensional parts, giving it advantages over fish paper and aramid paper as well as other thermoplastic insulators. In addition, Formex GK offers higher dielectric strength and a higher temperature rating than original Formex™.

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