premature curing of the hot melt, it is critical to keep accurate track of this time window. ! Important ! – Avoid exposing the PUR hot melt to humidity. Only open [...] for the successful use of Jowatherm-Reaktant® 608.00/01 PUR adhesive: PUR hot melt has a well-defined life span during which curing takes place. It is important [...] fine skin in the exposed areas which cannot be melted again. Compromised PUR hot melt adhesive will lead to clogging of the Holz-Her GluJet application system,
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