Color Change Challenges Situation: A manufacturer of custom-molded parts had the continuous challenge of transitioning from a black 10% glass-filled polypropylene (GFPP) dash to a natural high density polyethylene gas tank. The HDPE gas tank was being injected into a two-cavity mold and a cycle time of 86 seconds. To further complicate the color change transition, the GFPP dash was made of a multi-color regrind blend of polypropylene with black

Join for free to read