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Herma – Resin-free label adhesive

The high initial tack makes HERMAsuperTack ideally suited for three-dimensional surfaces, ranging from shrink-wrapped raw ham to pre-packaged poultry cuts

GERMANY • The company introduced a completely resin-free adhesive for labels that require extremely strong initial tack. Since migration is determined by the adhesive’s resin content, the new HERMAsuperTack (63Vst) offers especially low migration levels. It features correction factor 2, and thereby reaches the unconditional approval for dry, moist, and fatty foods. Due to that, the new adhesive is ideally suited for labels that are applied to whole sausages or raw ham without a barrier layer made of film.

Since adhesives owe most of their good adhesive properties to resins, it had been nearly impossible to dispense with them up to now. The lower the resin content, the lower initial tack and final adhesion, especially on films. Using Herma’s multi-layer technology, they were able to develop an adhesive that does enable them to dispense with resins.

The high initial tack makes HERMAsuperTack ideally suited when it comes to films and moist, fatty, or slightly dirty surfaces – but its range extends well beyond food labelling. It makes the most of its advantages at near-freezing temperatures combined with condensation. Due to its temperature resistance, the adhesive is also suitable for foodstuffs that have been recently heated, such as boiled chicken. In such cases, there is usually a great amount of heat and moisture beneath the packaging film. Its excellent tack also predestines the adhesive for three-dimensional, irregularly shaped surfaces, ranging from shrink-wrapped raw ham to pre-packaged poultry cuts.

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Armin Karl Geiger

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