YOUR VISIBLE VALUE FILM EXTRUSION TECHNOLOGIES INC. MIXING CHANNEL

ALPHA MARATHON Film Extrusion Technologies Inc. Advanced spiral entry design for blown film dies Regardless of uniformity leaving the extruder screw, the melt traveling through a system of pipes and die ports will generally tend to stratify. This stratification introduces a differential in the melt temperature and residence time along with creating a varying thermal history within the melt stream. A traversing melt temperature probe will show temperature variations ranging anywhere from 40° to 80°F (approximately 22° to 45&C) from the wall to the center of a melt pipe. Because of the geometry...