6 Proven tricks for faster, cleaner color changes with Dyna-Purge
Do you often feel frustrated by long color changes, unpredictable results, and ever-growing piles of scrap? You’re definitely not alone. For many production managers, a color change is still a slow and messy process. But there’s good news: with a few smart steps and the right tools, you can make your color changes faster, cleaner, and far more consistent.
Why color changes are unnecessarily complex
Even experienced teams face the same challenges:
- Stubborn pigments like red or blue stick firmly to the barrel and screw.
- Additives (flame retardants, carbon fiber) burn easily or leave behind layers.
- Temperature changes cause carbon buildup and black specks.
- Insufficient cleaning leads to layering, which later breaks loose and contaminates new batches.
The result: more scrap, higher material consumption, and unnecessarily high costs.
6 proven tricks for better color changes, tested by production teams
1. Plan smart from light to dark
Minimize purge volume and shorten cleaning time by optimizing your color change sequence.
2. Use Dyna-Purge as your purging compound
Instead of wasting virgin resin, Dyna-Purge removes pigments and additives quickly and safely, without damaging your machine.
3. Temporarily raise the temperature
Increase settings by ~28°C above your normal profile to dissolve stubborn colors more effectively, while staying within your resin’s safe processing range.
4. Vary screw speed
Short bursts at higher speeds break contamination loose; lower speeds push it out efficiently.
5. Clean preventively
Regular purges prevent layering and dramatically shorten future changeovers.
6. Measure and improve
Track changeover time, material usage, and scrap to make ongoing, incremental improvements.
Why Dyna-Purge makes the difference
- Proven results: our customers see faster changeovers and less scrap within a month.
- Efficient material usage: less resin required for a complete purge.
- Safe for your equipment: non-abrasive and non-chemical, reducing wear and tear.
- Versatile: suitable for injection molding, blow molding, and extrusion.
- Trusted by experts: relied on by hundreds of production facilities worldwide.
Don’t miss this opportunity. Every minute you save during a color change directly translates into more capacity, less scrap, and lower costs. Dyna-Purge is the proven solution for production managers who want faster, cleaner, and more consistent results.
Request your free Dyna-Purge sample today and see for yourself how easy efficient color changes can be.
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