PAL Automotive 1 – 6 layers; OD 4 - 20 mm; PA, PVDF, EVOH, PBT, ETFE and more Plastics have gained a significant place in today’s vehicles. The variety of multi-layer tube construction is an area of growing interest. Multi-layer co-extrusion PAL lines offer the high precision and versatility required by the automotive industry. The extrusion group is equipped with a head where layer selection is rapidly configured into dozens of possible combinations. Most commonly available automotive tubes are produced on this line.