... (PES) and Polyether(PET: PPG,PTMEG/PTMG) Base Introduction of Casting PU Elastomer (CPUE) General comments: Casting ... compound between rubber and plastic. For its excellent performance in mechanical properties, oil resistant, biocompatibility, and electromagnetism, ... for its outstanding wear resistance, it has been widely applied in mine, machinery, metallurgy, petroleum production, auto, construction ...