... :PP,PE,PA,PET, etc. It is used for the plastic cast film of low density polyethylene(LDPE), high density polythylene ... film that widely used in medicine,textiles,package,etc.The raw materials can be LDPE,LLDPE,HDPE,PP,PE,etc.Characteristics:1 ... proper tensions and make rolling even and roll-changing easy. Plastic cast film extrusion line