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Section: Polyurethanes
  • Written on 22.12.2011 - Technology
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Isocyanate-free adhesive for the flexible packaging industry

Henkel is presenting the first-ever laminating adhesive that contains no free isocyanates: Liofol Fast One LA 1640-21.

The one-component PU laminating adhesive features a very fast cure, combined with high initial bond strength. According to the company, with the new laminating adhesive, curing is substantially reduced to just a few days, compared to a curing time of up to two weeks with a conventional adhesive. Thus, Liofol Fast One enables packaging manufacturers to bundle printing, lamination and cutting in one single step. With this adhesive, the formation of primary aromatic amines is avoided right from the beginning, says Henkel. Furthermore, it stays well within the specific migration limit (SML). The laminating adhesive is toxicologically safe in terms of Risk Phrase R40 and no R40 labelling is necessary.


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