Development of Hybrid Structure Outer Waist Belt Weatherstrip Using Co-Extrusion of TPV and PVC for NVH & Appearance

Abstract

The Outer waist belt is a component that has both a functional element that is a sealing with the outside of the door and an element contributing to improvement of the appearance of the outside the door. Therefore, it is an important design factor to select a material that is favorable to permanent deformation and does not deteriorate in appearance due to external environmental conditions. In this paper, the section and production method for Hybrid structured belt which has TPV rib for good sealing and PVC skin for good appearance dealt with.