ELECTRICAL & ELECTRONIC | MATERIALS


Meeting the list of demands from the E&E sector


Flame retardance, higher operating temperatures and resistance to tracking are just some of the requirements being addressed by materials recently developed for electrical and electronic applications. By Peter Mapleston


Processors and their customers are almost spoilt for choice when it comes to thermoplastics for use in electrical and electronic (E&E) applications. In the last few months alone, polymer producers and independent compounders have introduced numerous new products that meet the growing need for not only very good electrical properties but also high heat resistance, mechanicals, pro- cessability, and – last but certainly not least – flame retardance. “The need to innovate flame-retardant capabili- ties continues to rise across the world,” says independent compounder A. Schulman. “Regula- tions today are becoming more stringent, requiring


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fire resistance with an increased level of thermal stability. In addition, the environmental concerns associated with flame retardant additives are driving applications toward the use of non-halogen based solutions.” The company highlights its Polyflam series, which it says delivers superior flame resistance in E&E applications. Polyflam RIPP 600E, for example, is a low-smoke, halogen-free, self-extinguishing (V-0) polypropylene intended for confined space applications, typically household appliances like washers and dryers. It was originally designed for extrusion applications for wiring and fibre optics, but is now also being used for some injection


Main image: Regulations are becoming ever-more stringent for plastics in electronics applications


October 2017 | INJECTION WORLD 51


PHOTO: A. SCHULMAN


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