PEI-Si Cable Materials Debut in Non-fluorinated Form

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Sabic has introduced three new families of non-fluorinated Siltem resin blends. These novel polyetherimide/siloxane (PEI-Si) copolymers can potentially replace fluoropolymers such as ethylene-tetrafluoroethylene (ETFE), fluorinated ethylene propylene (FEP), and polyvinylidene fluoride (PVDF) in wire & cable applications used in the #automotive, industrial, and oil & gas industries. The Sabic materials help to address regulatory restrictions on per- and #polyfluoroalkylsubstances (PFAS), a broad category that includes fluoropolymers.

In addition to being formulated without fluorine, the new blends build on the properties of Siltem polymer resins to deliver easier processing and enhanced performance, such as better thermal and chemical resistance. The new Siltem resin blends may also be candidates for strain reliefs, data cables, heat tracing cables, and automotive under-hood wiring. Beyond wire & cable, they have potential for use in seals, gaskets, and heat-shrink tubes, for which the material can be crosslinked to meet #shapememory” requirements. They are available for sampling.


Many wire & cable customers are looking for alternatives to #fluoropolymers that address regulatory concerns and strict performance requirements,” said Sergi Monros, vice president, #SabicPolymers, Specialties BU. “Our new Siltem resin blends address growing demand for materials that avoid fluorine while raising the bar on performance and processing.


source : Plastics Today

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