1,for PP PS sheet only 2,large output 3,double layer ... excellent service including maintenance.AppilicationTF660 PP PS Double Layer Extrusion Line are suitable to form the sheet of PP and PS ... ,which are the materials for forming cups ,lids, dish, containers and trays with round ,sqaure ... Srew:100mmDiameter of Roller:320mmMotor Power:0.7Mpa TF660 Extrusion Line for PP PS sheet