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A Step forward in Wet Glue Technology for Pre-cut Paper Labels

Langguth has developed recently a new wet glue technology for pre-cut labels which marks a new reference point in savings, cleanability and sustainability. This is reflected in up to 50% savings in glue consumption when compared to conventional methods

With GLU|ECO® it is possible to periodically rid the glue roller of excess glue by making small adjustments, obtaining a much thinner and uniform glue film over labels. This efficiency means savings of up to 50% in glue consumption.
With GLU|ECO® it is possible to periodically rid the glue roller of excess glue by making small adjustments, obtaining a much thinner and uniform glue film over labels. This efficiency means savings of up to 50% in glue consumption.
Langguth

Due to economy, high recyclability, and wide use on glass and plastic containers, wet glue paper labeling holds a vast presence in packaging systems for the foods, beverages, chemicals, and paints markets, among others, where its versatility and graphic quality makes it dependable for presenting and promoting their products.

Usually, the application of this type of labels is performed by spreading striped layers of glue onto precut paper labels, a technic widely adopted and extensively used by a large variety of machinery, due to the flexibility it provides in partial or wrap-around labeling.

With GLU|ECO® it is possible to periodically rid the glue roller of excess glue by making small adjustments, obtaining a much thinner and uniform glue film over labels. This efficiency means savings of up to 50% in glue consumption.With GLU|ECO® it is possible to periodically rid the glue roller of excess glue by making small adjustments, obtaining a much thinner and uniform glue film over labels. This efficiency means savings of up to 50% in glue consumption.Langguth

In Germany, Langguth has taken a step forward in this process, by designing and implementing their innovative GLU|ECO® system, which the manufacturer promoted during Andina Pack 2021, in Bogota. Since its launch eight months ago, already eight systems have been installed at different European plants, and the technology is actively being promoted throughout North and Latin America.

Optimal glue use

The benefits that this Langguth new process brings to wet glue pre-cut labeling is multifaceted, and one of its main contributions is the substantial reduction in the consumption of adhesive the GLU|ECO® system provides. This company has created a particularly innovative concept that optimizes glue consumption and ensures complete adhesion of labels to containers. “Through our technology, adjustments can be made to remove excess glue from the roller in a preset frequency, obtaining a much thinner and uniform layer of glue on the labels.” This efficiency is reflected in up to 50% savings in glue consumption when compared to conventional methods, and favorably impacts factors such as ROI and cost of ownership, Juan Hernández, sales manager for the southern United States and Latin America at Langguth, explains.

In conventional systems, the cycle of glue transit follows a pattern in which glue is pumped from a container onto the roller and excess material continuously recirculates through the system during production time. Exposure to air can deteriorate the glue’s adhesive properties and lead to its degradation. “What we have changed in this new system is having the glue pumped from the bucket into a new deposit and from there only the required quantities are pumped onto the roller; only when the container reaches its minimum levels, fresh glue from the bucket is automatically pumped again into it. This minimizes the amount of recirculating glue.”

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