Lanxess has developed four new compounds for light-emitting diode (LED) housings and sockets. New Pocan TP 555-911, -991, -912 and -992 are based on polycyclohexylenedimethylene terephthalate (PCT), a polyester used by the company for the first time. The mineral- and/or glass-fibre-reinforced compounds achieve very high light reflection levels of 93 to nearly 96 percent (at a wavelength of 450 nanometers). Used as a material for the LED housings, they reflect the light of the LEDs almost completely, says Lanxess, keeping brightness losses to a minimum.
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