Coating Terms

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Storage of binders, having reactive groups that give crosslinking reactions at room temperature, in the same container leads to gelation. Containers that contain binders with reactive groups and stored in separate containers are called two-pack coatings. They are widely named as 2K coatings or 2K varnishes etc. In cases when reactive groups react in presence of a catalyst, the catalyst is stored in the second component. In some rare situations, both reactive groups and catalyst need to be stored separately.