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While tempera is one of the oldest forms of painting, dating back to ancient Greece and Rome, it is now a preferred choice mainly for classrooms and kids’ craft projects due to its affordability ...
As a response to the environmental and health concerns, some paint manufacturers now offer environmentally friendly alternatives. Also, in some countries, paint recycling is carried out on surplus paints and resold. Paint and coating manufacturers can modify their operations to reduce and mitigate air pollution. [12]
The paint surfaces of many tempera paintings have become abraded, most likely from routine dusting and cleanings. It is unclear how tempera paintings were originally varnished due to the need for sensitive methods of analysis. Modern tempera paintings are almost always unvarnished and more prone to mold attacks. [22]
Egg tempera was a primary method of painting until after 1500 when it was superseded by oil painting. A paint consisting of pigment and binder commonly used in the United States as poster paint is also often referred to as "tempera paint", although the binders in this paint are different from traditional tempera paint.
Several colors of poster paint. Poster paint (also known as tempera paint in the US, poster color in Asia) is a distemper paint that usually uses starch, cornstarch, cellulose, gum-water or another 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 school art classes.
High Humidity reduces mechanical damage such as brittle paint but raises the risks of biological organisms, e.g. white efflorescence and green-to-black stains on a panel painting. [12] High Humidity also raises the risks of curving or warping of the wood over time, forcing the paint to flake off.
Emulsion paints are water-based paints in which the paint material is dispersed in a liquid that consists mainly of water. For suitable purposes this has advantages in fast-drying, low toxicity, low cost, easier application, and easier cleaning of equipment, among other factors.
The paint is adjusted with additives and colorants as necessary. Finally, the paint is fine filtered and packaged for sale. Paint that cannot be reused has other environmentally friendly uses. Non-reusable paint can be made into a product used in cement manufacturing, thereby recycling virtually 100% of the original paint.
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