WEB EXCLUSIVE: Three new specialized grades of polycarbonate have been developed by Bayer MaterialScience LLC, Pittsburgh. The first is Makrolon FR7087, said to be “the first clear thermoplastic to meet UL 94-5VA at 3-mm thickness.” Aimed at demanding lighting and electrical parts, it has close to 90% light transmission at 3 mm and around 1% haze. This resin can provide potential cost savings by eliminating the need to electrically isolate non-FR clear materials (allowing parts consolidation) or to separately test the final component for UL listing. Now, clear parts can make direct contact with live current—something for which manufacturers have been waiting a long time, according to Bayer.
Second, Bayer came out with new a radiation-stabilized medical-grade PC that meets the increasing demand for radiation-sterilizable, thin-wall plastics. Makrolon Rx2435 is distinguished by its easy flow. It meets FDA specs for biocompatibility.
Third, Bayer has added to its customized PC grades for LED applications. Its newest developmental grade is aimed at lenses that bundle and guide light from LEDs. It is UV resistant and has better transparency than the conventional PCs currently used in outdoor LED lenses.
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