Painted varnishes are 30% solutions of resins in pinene, with the exception of kopalovy varnish, where kopalovy resin is dissolved in linseed oil. The following types of varnishes are available, used as additives to oil paints: mastic, dammar, pistachio, acrylic-pistachio and kopal.
Mastic varnish. 30% solution of mastic resin in pinene. Mastic varnish can serve not only as an additive to paints, but also by wiping the intermediate layers during layer-by-layer painting, replacing retouched varnish in this. Apply mastic varnish and as a cover for oil and tempera painting. Tends to turn a little yellow over time. Gives the work a glossy finish. Very elastic.
The varnish is damn. 30% solution of dammar resin in pinene with the addition of ethyl alcohol. Dammar varnish is used as an additive to paints and as a topcoat. During storage, it sometimes loses transparency, but Continue reading