temporary control agent for surface testing manufactured by MIPA. Used, for example, to check the shade compatibility of varnish-based paints. When sprayed onto the surface, it creates a varnish-like high-gloss layer. Used to check the shade compatibility of varnishable paints. It has also been used to check the quality of the final finish. highlighting possible defects. Does not dissolve the surfaces onto which it is sprayed. After a while, the control layer evaporates. No residue of the substance remains on the surface (10-15 min at room temperature).