The aging characteristics of acrylic paintings are just beginning to be understood. At present, preventative care seems to be the best care for acrylic paintings. The solvent based acrylic paints, such as Magna, are soluble in mineral spirits. Few artists have used solvent-based acrylics. The dried acrylic paint is not water soluble.
Acrylics dry in less than thirty minutes.
In contrast, oil does not become dry to the touch for 48 hours. Acrylic paint dries differently from oil paint. Oil paints dry by the interaction with oxygen from the air with their binder and evaporation of solvent. Acrylic films are not as hard as oil films. The surfaces of the soft acrylic films hold onto dust and dirt.