Best rated film blowing machine wholesale provider: Cleaning Methods – One approach is using a resin cleaner, such as epoxy or polyester resin, to wipe off the machine. The decontamination machine or film extrusion of new machinery often uses this procedure for a while. The technique may be employed because there are a few things that happen throughout the process: materials stay on the screw or screw, the film extrusion speed of materials becomes sluggish, and there is a great variety in color change. After the resin has been cleaned, the next step is to add the PVC resin that …