What substance is the basis of the artists paint tempera?
Tempera Tempera Tempera (), also known as egg tempera, is a permanent, fast-drying painting medium consisting of colored pigments mixed with a water-soluble binder medium, usually glutinous material such as egg yolk. Tempera also refers to the paintings done in this medium. Tempera paintings are very long lasting, and examples from the first century CE still exist. Egg tempera was a primary method of painting until after 1500 when it was superseded by the invention of oil painting.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
Tempera paint," although the binders in this paint are different from traditional tempera paint. Tempera painting has been found on early Egyptian sarcophagi decorations. Many of the Fayum mummy portraits use tempera, sometimes in combination with encaustic. A related technique has been used also in ancient and early medieval paintings found in several caves and rock-cut temples of India. High-quality art with the help of tempera was created in Bagh Caves between the late 4th and 10th centuries CE and in the 7th century CE in Ravan Chhaya rock shelter, Orissa. The art technique was known from the classical world, where