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High resistance to water, moisture and chemicals
Polyurethane-based (PUR) hotmelt adhesives are applied as a melt like other hotmelt adhesives. The setting and strength build-up takes place in two steps: First by cooling the melt purely physically and then followed by moisture-initiated chemical crosslinking of the individual prepolymers. Depending on the respective substrate surface, a covalent substrate-adhesive bond can additionally strengthen the adhesion. PUR-based hotmelts naturally have a high resistance to moisture, water and many chemicals. EUKALIN offers you a wide range of polyurethane-based (PUR) hotmelts tailored to your needs.