require precise bonding. One of the last steps in the wrapping process, is to fold the paper like an envelope. The adhesive used for bonding must be able to [...] the high strength of the kraft liner can also be a challenge when it comes bonding and automated processing. During automated packaging, completed within fractions [...] restoring forces which result from this folding operation. At the same time, the adhesive must not soil the products or the machinery, which would be unacceptable for
https://www.jowat.com/pt-BR/detalhe-da-redacao/precise-adhesive-for-efficient-packaging-lines/