Exterior appliques are used as filler and trim pieces on the B and C pillars of passenger cars and light trucks. Once manufactured of painted-die-cast metal, exterior appliques have now evolved from painted plastic to silicone hardcoated polycarbonate.The new polycarbonate/silicone system offers integrally colored, hardcoated appliques with higher gloss and depth of image (DOI) than painted and nonpainted systems, and the silicone hardcoat boosts the scratch- and weather-resistance properties of the applique. The high impact resistance of the polycarbonate offers 30-60% lighter weight and greater durability vs. metal.From a manufacturing standpoint, production of hardcoated appliques involves fewer steps and is easily automated. Transfer efficiency of the silicone is about 90%, and warehousing and mixing are simplified vs. painting.This paper will discuss a variety of functional testing methods to ensure performance of the new substrate and coating vs. current production alternatives of metal or painted plastic.


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    Title :

    Silicone-Hardcoated Polycarbonate Exterior Appliques


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1995



    Publication date :

    1995-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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