Which component in paint contributes to adhesion?

The binder plays a crucial role in paint formulation and significantly contributes to adhesion. It is the film-forming component that holds the other ingredients, such as pigments and additives, together and ensures they adhere to the substrate, whether it be wood, metal, or another surface. The binder creates a cohesive film that dries and provides the necessary strength and durability to the painted surface.

By forming a strong bond with the substrate and giving the paint its physical and chemical properties, the binder enhances adhesion, preventing issues such as peeling or flaking that can arise with inadequate adhesion. Solvents are primarily involved in dissolving the binder and facilitating application but do not contribute directly to adhesion once the paint has dried. Additives can enhance various paint properties, and pigments provide color but do not influence the adhesion properties of the paint itself. Therefore, the binder is the key component that ensures effective adhesion in paint.