WIKO Adhesive Competence Center
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1-C adhesives are easy-to-use, solvent-based adhesives that consist of only one component and are ready to use without mixing.


1C PU adhesives contain moisture-reactive binders. These consist of an isocyanate-containing prepolymer which reacts with the water from the air to form PU by splitting off CO².


2-C adhesives are high performance adhesives that consist of two components and must be mixed before use. 


In 2C-polyurethane adhesives, the resin component consists of polyols and the hardener components of isocyanates, which react to form polyurethanes after mixing. 
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