Hollow blow molding thrives on new challenges, requirements and wishes for new packaging. In this blog, we present exciting projects, new technologies and materials, as well as reports from our customers.

Have fun reading!

Plastics and sustainability | 20. September 2022
Improving optics with PCR - is that possible?

Research was carried out again in the W. MÜLLER GmbH technical center. Our Technical Center Manager Varinia Lück recently presented new findings for the need of masterbatch in PCR bottles. In the industry, in retail and even among end users, the rumor persists that recycled bottles cannot be as beautiful as new ones. But we can finally put this rumor to rest:

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Plastics and sustainability | 26. July 2022
The colorful diversity of PCR processing

Use PCR materials without optical losses or impairment of the filling material! Blow molding specialist W. MÜLLER GmbH from Troisdorf makes PCR processing suitable and attractive for everyday use!

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Plastics and sustainability | 15. June 2022
Lighter, faster and more efficient

The blow molding specialist W. MÜLLER has optimized the production process for plastic bottles with its technology for packaging manufacturer Flestic. Equipped with new extrusion heads, on existing machinery material consumption was reduced while maintaining the same quality, as well as reducing cycle time and energy consumption.

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[Translate to English:] Siebwechsler von W. Müller
Plastics and sustainability | 15. July 2021
New screen changer enables sustainable use of recyclate

The blow molding specialist W. MÜLLER has developed a new generation of screen changers for its extruders in extrusion blow molding. It is designed to be particularly space-saving. It is also suitable for installation in vertically oriented extruders, can easily be retrofitted and operated safely. When using PCR, a screen changer is recommended.

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Plastics and sustainability | 18. March 2021
PCR in cosmetics packaging? It's all a question of technology.

The blow molding specialist W.MÜLLER has tested two methods for the use of post-consumer recyclates (PCR) in packaging. In the first examined variant, the PCR layer is surrounded by two layers of new material, the second variant is shielded with an internal plasmacoating. Both variants had significantly lower migration values than hollow bodies made of pure PCR.

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Plastics and sustainability | 01. October 2020
Sample bottles

How to demonstrate the versatility of our extrusion heads better than with the produced products?

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