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TissueMag - May 26 issue

Choosing the right adhesive: what the tissue industry should be asking itself

In converting, adhesive rarely makes headlines - until it fails. Unscheduled machine stoppages, layers that peel off, tubes that cannot withstand machine speed. In many cases, the cause lies in selecting an adhesive whose formulation is not optimized for the process. After more than 25 years working closely with tissue manufacturers on the factory floor, at Paniker we have learned that choosing the right adhesive starts with asking the right questions.

Manufacturing lamination glue.

Some adhesive technologies go beyond standard performance: formulations that increase process efficiency and improve the performance of the final product. In our experience working with converters in more than 25 countries across four continents, there are three areas where we have seen the most significant improvements.

The first is dilution. The average ratio for lamination and tail sealing is 1:3, but many production processes could operate at 1:5, 1:6 or even 1:8 without compromising adhesion. Working at dilution levels lower than necessary means transporting, storing and consuming more product than your line actually needs.

The impact is not only economic: optimizing dilution also reduces the carbon footprint associated with the process.

Sustainability and experience: the support behind the decision

Paniker, founded in Barcelona in 1922 as Ingeniería en Adhesivos, has been manufacturing specialized adhesives for the tissue industry for more than two decades in a dedicated production plant with a capacity of 15,000 tons per year exclusively for this market.

The TISSUECOL range of adhesives is redispersible in water and complies with FDA and BfR regulations. The company, certified to ISO 9001:2015 and ISO 14001:2015, has been aligned with the European Green Deal since 2019 and its formulations facilitate the achievement of EU Ecolabel certification for finished tissue products.

The second area relates to machine cleanliness. An adhesive that sticks to embossing rollers or other metal parts causes unscheduled stoppages. A formulation designed specifically for tissue must offer what is known in the industry as ‘clean running’: precise adhesion to the substrate without leaving residue on the machine.

Paniker R+D Laboratory.

The third area concerns tube winding. PANIKER produces a wide range of boric-acid-free adhesives for tube manufacturing, capable of supporting the highest machine speeds on 1-, 2- or 3-ply tubes without compromising either bond strength or workplace safety.

Adhesives are advanced materials that allow one or more substrates to be bonded together under different conditions without altering their properties.

Paniker facilities in Barcelona, Spain.

However, there is no such thing as a universal adhesive. There are technical criteria that should be considered before making a decision.

What is the actual dilution ratio your line can handle, and how does it affect your supply chain? Does your laminating adhesive run cleanly at your machine speeds? In tube winding, is your current formulation boric-acid-free?

And when it comes to sustainability: are your adhesives redispersible and compatible with industrial paper recycling?

Do they meet the requirements for EU Ecolabel certification of your finished product?

There is not always an immediate answer to these questions. That is why it is important to work with a technical partner capable of innovation, one that understands your process and can help you find the right answers.

PANIKER

address Sant Boi del Llobregat (Barcelona)) , Spain

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