Single or Multi Layer PET Sheet Extrusion Plant is designed with two or three extruder with the centre layer of containing a high percentage of recycled material. The PET Sheet Extrusion Plant has the outer layer consisting of virgin resin combined with anti-block additives. The PET Sheet Extrusion Plant is capable of modifying uncrystallizable PET. The Single or Multi Layer PET Sheet Extrusion Plant finds application in plastic processing industry.