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05/18/2017

Interpack 2017 - International Visitors and Top-quality Discussions

German machinery manufacturer, Windmöller & Hölscher, comes away from interpack 2017 very satisfied. “As a specialist in machinery for the production of flexible packaging, interpack is one of the most important international trade shows for W&H. This year, the importance of the trade show was underscored by the large number of international visitors and the high-quality discussions we had at the booth,” said Chief Sales Officer (CSO) Peter Steinbeck. Chief Executive Officer (CEO) Dr. Jürgen Vutz added, “Customers invest in improving the efficiency and quality of their production to profit from the growing flexible packaging market. We saw this again and again through the high traffic to our booth, the interesting and fruitful discussions that were had as well as from the number of orders we were able to close on the show floor.”

At interpack, which ran from 4 to 10 May in Düsseldorf, W&H provided information about its entire portfolio of packaging machinery from extrusion lines to printing presses to converting equipment.  “Customers are interested in the potential for optimization that a continuous process from film to sack can offer. This is in part to better understand the correlation between individual steps and the effects they have one another, and also in part because they themselves offer their customers the...

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05/04/2017

Breathable backsheet films: serving the growing hygiene market more efficiently

Backsheet films are a growth market. Around 590,000 tons are used each year and the number is on the rise. Breathable films used in products such as diapers make up some 50% of this total. “Experts estimate a CAGR of around 4.4% for the hygiene market up to 2020,” explains Ali Hassan, Hygiene Market Specialist at engineering firm W&H. Diaper and incontinence products seem to have a particularly high potential. “Factors such as our aging society, the growing acceptance of these kinds of products and higher global availability, particularly in developing regions, are the driving forces behind this,” adds his colleague Dirk Dreier. Where breathable backsheet films have traditionally been made predominately using cast film extrusion, the experts at W&H are now advising customers to convert to blown film extrusion systems. “We are seeing a clear trend of companies moving to blown film extrusion technology for their backsheet films”, says Hassan.

According to the experts, there are a great number of benefits associated with producing breathable backsheet films using blown film extrusion. These include a lower weight per square meter, and therefore lower raw material usage, and better mechanical properties despite a comparable output rate and speed. “Diaper backsheet films made using cast film extrusion tend to have a base weight of around 16 g/m². The thinner, breathable diaper backsheet films made using blown film extrusion with inline...

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05/04/2017

The valve sack experts: W&H offers more than just machines

The market for industrial packaging is full of different valve sack concepts for paper, woven plastics and plastic films. There are a number of reasons for this, such as different applications, availability of the respective materials, or even regional differences, sometimes with historical root causes. Since A.M. Bates first introduced the valve sack concept back in the 1920s, Windmöller & Hölscher has been a reliable partner for the sack and bagging industry. Based in the Westphalian town of Lengerich, the German family-owned company offers a machine solution for every concept, as well as support with sack development and concept evaluation. And with its new AD proFilm MP film valve sack, W&H is taking another step.

The AD proFilm MP sack is manufactured on the AD PLASTIC 2 valve bottomer. The machine, launched in 2015, is unusual in that it uses hot air to seal the sacks. This means that it does not require adhesives, which can be the source of significant production costs and technical process limitations.

When the company was developing the new AD proFilm MP film valve sack, it chose to focus on two key factors: high moisture protection (MP = moisture proof), and extending the product’s shelf life. It...

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