Products & MaterialsQuestion 34 of 100
What is the function of the 'binder' (resin) in paint?
a.To thin the paint for spraying
b.To hold the pigment together and bond the dried film to the surface
c.To provide only color
d.To evaporate during drying
Explanation
The binder is the film-forming resin that locks pigment particles together and adheres the coating to the substrate. Higher-quality binders yield better adhesion, durability, and washability. Pigment provides color and hide, solvent carries the material, and additives modify properties.
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