... articles and industrial products etc.2. TechnicalsThe machine adopts single screw to extrude the material,two die heads to vlow the ... ,durable serviceThe die head is plated with hard chrome,of screw mandrel type structure with even and smooth discharging,the blown plastic ... face thickness of film0.005-0.1 mmRational speed of screw stem10-120 rpmPower of main motor15 kwHeating power23 kwoutput50-60 ...