vacuum formed plastic tray: 1.Color:White,others 2.Thickness:0.3-11mm 3.Maximum size:3000*2000*800mm 4.10 years experience I. What's vacuum forming (vacuum formed plastic tray)? Vacuum forming is a process in which a thermoplastic sheet is heated to the appropriate temperature, stretched around or into a mold or pattern, and conformed to the mold by applying vacuum pressure between the mold ...