1K PUR adhesive
Like PVA adhesives, and unlike epoxies, polyurethane reactive (PUR) adhesives, PUR wood adhesive, are one part adhesives. That is, they don’t require mixing before application. However, PUR adhesives have a very different method of bonding.
Used as a hot melt, PUR wood adhesive is applied to a porous surface like wood as a liquid. There, solidification forms the initial bond, after which the PUR adhesive starts to react with moisture. This process, which takes 24 – 48 hours to complete, expands the adhesive slightly to form a strong bond between the surfaces.
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