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The automotive industry continues to strive for mold-in-color (MIC) solutions that can provide metallic flake appearances. These MIC solutions can offer a substantial cost out opportunity while retaining a balance of weathering performance and physical properties. This paper discusses a predictive engineering package used to hide, minimize and eliminate flow lines. Material requirements and the methods used to evaluate flowline reduction and placement for visual inspection criteria are detailed. The Nissan Quest® luggage-rack covers are used to illustrate this application. The paper also explores how evolving predictive packages offer expanding possibilities.

The aesthetic requirements for rear combination lamps have risen due to the increased use of optic free lens. The objective of this study was to develop a methodology to characterize the relative aesthetic performance for thermoplastic resins utilized for rear combination lamp housings. This study focuses upon the use of a direct metallization process. The results of this study will allow project engineers to better understand the relative performance of various materials.