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APPLICATION: Newborn Hearing Screener Features New Opaque Copolyester

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Eastman's new opaque copolyester replaces PC/ABS in newborn hearing screener housing.

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The new Echo-Screen III hearing screener for newborns from Natus Medical, San Carlos, Calif., is constructed of the new opaque Tritan copolyester MXF121 from Eastman Chemical, Kingsport, Tenn. The bisphenol-A (BPA) free material, intended for use in hand-held and other medical device housings, boasts toughness and resistance to aggressive cleaners and disinfectants.

            The device components were originally designed and tooled using a PC/ABS alloy. Natus selected the Tritan copolyester for its hearing screener over the PC/ABS because it does not contain BPA and trumps the alloy in terms of superior chemical resistance. The copolyester is also made without halogens and ortho-plasticizers. It meets UL 94 V2 rating at 1.5 mm, and it is also suitable for transducer housing applications that have contact with skin.

Want to find or compare materials data for different resins, grades, or suppliers? Check out Plastic Technology’s Plaspec Global materials database.



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