PP,PS Sheet extruder : The mould is made of high quality alloy steel,and inside is plated with hard chromium,cladding for 0.02 PP,PS Sheet extruder :1. ProductionBC-660PC model plastic sheet material extruder is composed of extruder,net transducer,die head,calender roller,takein machine,electric controller etc.The operational principle of the unit is as below:According to the tristate change of ...