WEB EXCLUSIVE: BASF Corp., Engineering Plastics, Wyandotte, Mich., introduced to North America its Ultramid Endure line of heat-resistant nylons at the North American International Auto Show in Detroit early this month. Ultramid Endure was first introduced at the K 2010 show in Germany. It is a nylon 66 with novel stabilization chemistry that forms a protective surface layer that allows it to retain its high strength in fatigue tests at 220 C for 3000 hr—well beyond the range of other thermoplastics. Aimed at under-hood automotive components, it can even withstand peak exposures to 240 C.