Rigid and plasticized PVC, with or without glass fibres, is also used to produce automobile window trims. Chosen for its excellent resistance to all types of weather, PVC also has high rigidity, good linear thermal stability and low fogging characteristics.

Trims are manufactured by the extrusion of profiles, with or without co-extruded plasticized PVC.

Siammvic 271GC is excellent mechanical properties, provided from its high-K value.