Poster Paints...

Poster Paints...

Poster paint is a distemper paint that usually uses a type of gum-water or glue size as its binder. It either comes in large bottles or jars or in a powdered form. It is normally a "cheap" paint used in theatrical backdrops or in grade school art classes.

Many Medieval and Renaissance painters used distemper painting rather than oil paint for some of their works. The earliest paintings on canvas were mostly in distemper, which was (and is) also widely used in Asia, especially in Tibetan thankas. Distemper paintings suffer more than oil paintings as they age, and relatively few have survived. It was the commonest medium for painting banners and decorations for temporary celebrations, both of which attracted artists of the highest quality, especially when they were official court artists. In distemper painting, "the carbonate of lime, or whitening employed as a basis, is less active than the pure lime of fresco ... to give adhesion to the tints and colours in distemper painting, and to make them keep their place, they are variously mixed with the size of glue (prepared commonly by dissolving about four ounces of glue in a gallon of water). Too much of the glue disposes the painting to crack and peel from the ground; while, with too little, it is friable and deficient in strength.

https://en.wikipedia.org/wiki/Distemper_(paint)


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