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New Deep-freeze Adhesive From HERMA Self-adhesive Materials

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New Deep-freeze Adhesive From HERMA Self-adhesive Materials

New Deep-freeze Adhesive From HERMA Self-adhesive Materials
November 13
10:21 2014

The reliable labelling of deep-frozen products has thus far presented a considerable challenge, especially in the case of fatty foods such as meat, fish or dairy ice-cream. Furthermore, some deep-freeze adhesives are not approved at all for use with these products. Although some such adhesives can be used up to a certain fat content, problems can arise with moist and icy surfaces, and when produced to labels.

Self-adhesive specialist HERMA is now in a position to offer the best of both worlds. Its new deep-freeze adhesive 62K for labels satisfies two requirements that are generally mutually exclusive. First, the labels can be securely applied even at minus 20 degrees Celsius, and second, the adhesive has been granted unconditional ISEGA approval for dry, moist and, in particular, fatty foods. Its properties originate from an entirely new polymer created in HERMA’s own laboratory.

“We can therefore systematically dispense with the additives that were required to achieve satisfactory initial tack in the presence of very low temperatures. These additives were also associated with certain side-effects,” says Dr. Ulli Nägele, HERMA’s head of development. 62K offers tack and final adhesion attributes that were previously available only with hot-melt adhesives.

62K is thus an extremely low-migration adhesive for very low temperatures that also offers supreme adhesive and processing properties. As a consequence, label printers deciding in favour of this adhesive and, in turn, users in the food industry no longer have to concern themselves with correction factors. These factors measure the quantity of constituents migrating from the adhesive and indicate its application limit with foods, expressed as a maximum fat content.

CAPTION:

The new 62K adhesive makes the labelling of deep-frozen produce much easier – it has been granted unconditional approval by ISEGA even for fatty foods, such as these salmon fillets.


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