... )? Vacuum forming is a process in which a thermoplastic sheet is heated to the appropriate temperature, stretched around or ... Vacuum Forming Machined process (Vacuum formed display):1. Extruding plastic sheet:ABS, HIPS, PP, PE, PC, PMMA resin granules are extruded or ... display)?1. Uses imported high quality acrylic sheet, ABS, PC, HDPE, PP,PE, PVC, PMMA, HIPS, and other materials for vacuum forming. ...