A new foam grade, Teflon® FEP TE 9810, produces smaller, better dispersed and more homogenous voids compared to previous Teflon® foam grades for enhanced electrical properties in wires with melt extruded fluoropolymer insulations. Depending on the construction, this grade, Teflon® FEP TE 9810, has the ability to be self skinning, offering production of cost-effective, high-performance foam insulation for data cables.
New Teflon® FEP TE 9810 (left) produces smaller, better dispersed and more homogenous voids compared to previous Teflon® foam grades (right) for enhanced electrical properties in wires with melt extruded fluoropolymer insulations.
It enables the extrusion of all three sections of a skin-foam-skin construction – an inner-skin to ensure mechanical adhesion of the foam to the copper conductor, the foam itself and an outer, protective skin – in a single shot without the need for a second extruder and without the need for a multi-layer crosshead.
Meanwhile a new, licensable extrusion technology from DuPont incorporates air into the extruded Teflon® PTFE insulation for higher performance, low-loss data cables.
DuPont™ Teflon® and DuPont™ Tefzel® fluoropolymers are commonly used for their insulating capabilities under harsh environmental conditions including high temperatures up to 260oC. Whereas Teflon® PTFE, PFA and FEP are chosen for their thermal and chemical resistance in combination with electrical and low-friction properties, Tefzel® ETFE is chosen for its mechanical toughness, ease of processing and high-energy radiation resistance. Both Tefzel® and Teflon® have low dielectric constants and high volume resistivity as well as approved thermal class ratings (SAE, ISO) for wire insulation.
DuPont Fluoropolymer Solutions is a leading producer of fluoropolymer resins, additives, films, finishes and dispersions, PTFE (polytetrafluoro¬ethylene), PFA (perfluoroalkoxy), FEP (fluorinated ethylene propylene), ETFE (ethylene-tetrafluoroethylene) and PVF (polivinylfluoride), marketed under the registered trademarks DuPont™ Teflon®, DuPont™ Tefzel®, DuPont™ Tedlar® and DuPont™ Zonyl®. Major markets for these fluoropolymer products include the automotive, chemical processing, semiconductor, oil exploration, chemical handling, data communication, aerospace, electronics, housewares and building industries.
DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation.
The DuPont Oval, DuPont™, The miracles of science™, and Teflon® and Tefzel® are registered trademarks or trademarks of E.I. du Pont de Nemours and Company or its affiliates.
Horst Ulrich Reimer | Du Pont
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