You probably noticed that the colors on the palette soon stop getting dirty, but if you slightly press on them with your finger, you can make sure that they are soft. Inside the paint almost did not change its density, and hardened only on top. This feature of drying an oil binder has been known since ancient times. Artists sought to achieve a more uniform drying, as well as colorless films, get rid of the harmful substances contained in oils. To do this, they were washed with water, frozen, boiled.
There are many ways to process oil. Here is the simplest and, according to many artists, a good way to get condensed oil: it is exposed to the sun in an unclogged bottle of white glass Continue reading