Extruder Color Change Cost Analysis

Description The following cost analysis chart represents a color change from white to clear PET performed with a 50 mm twin screw extruder using Ultra Purge PET-E grade. The hourly production of this extruder is about 1320 lbs/h. Trial 1 was performed using no purging compound. Trial 2 was performed using Ultra Purge PET-E grade.

Conclusion As indicated above, Ultra Purge noticeably reduces the cost of the purging material. The trial also confirms that using Ultra Purge significantly reduces production downtime. The downtime and loss of production is usually the most important component in the color change break-down cost analysis.  Reduction of Purging Material: 74% Reduction of Down-Time: 89%

Trial Pictures

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