At first glance, nothing seems to change, but many factors influence the bond that has to be made. These are also extensively discussed in our hotmelt course. For example, the carton quality can be changed because of the quality of raw materials. Machine settings, environmental factors and recesses also play an important role. Intercol's technical specialists are on their way daily and are happy to provide you with the right advice regarding to substrates, machine settings and adhesive.
My hotmelt suddenly does not bond on the cardboard, while nothing has changed (boxes are opening by itself).
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Hot melt