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Thermoplastic polyurethane (TPU) is an elastic material with very good wear resistance, coupled with high resilience – meaning that it quickly returns to its former shape when deformed. Today, we process thermoplastic polyurethanes into rollers, elastic coupling elements, protective caps, damping elements or even charging cables for our mobile devices. In expanded form, i.e. as so-called E-TPU, the material ensures, for example, in running shoe soles that joggers get a little energy back with every step.