Injection Molding Colour Change with EasyPurge Purging Compound
PA6 FG 45% Black to PA6 FG 45% White
Goal: Reduce color change purging cost
Summary:
Machine: 700T
Material: PA6 FG 45%
Colour: Black to White
Purge: 140 ml
Time: 20 mins
Industry: Automotive
Factory Location: Germany
Scope: Nozzle
First, The barrel was emptied before the purging process.
![](https://easypurgeapc.com/wp-content/uploads/2020/01/imagen-1.jpg)
Doses of 70ml of Easypurge purging compound were added into the hopper followed by virgin material.
![](https://easypurgeapc.com/wp-content/uploads/2020/01/Imagen-2.jpg)
Easypurge purging compound increases the volume of the melted mass, allowing purge to reach negative flow sites.
![](https://easypurgeapc.com/wp-content/uploads/2020/01/la-3era.jpg)
After the second pass of purging compound, the PA6 FG 45% white had no presence of colour contamination.
![](https://easypurgeapc.com/wp-content/uploads/2020/01/4ta.jpg)
Injection Molding Color Change: Final Results
Purging Compound used | Purging Compound Cost | Colour Time Change | |
Pellet Purging compound | 7 Kgs | €70 | 80 Min |
EasyPurge | 140 Ml | €20 | 20 Min |
Comment by the Process manager:
“ The machine operator appreciated the fact that he just need to pour a small dose of the purging compound versus climbing into the machine with a 25 kg bag of pellet purging compound we normally used”