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A crayon is a stick of colored Wax , Charcoal , Chalk , or other materials used for writing and Drawing . A crayon made of '''oiled chalk''' is called an Oil Pastel ; when made of Pigment with a dry binder, it is simply a Pastel . A '''grease pencil''' (UK '''chinagraph pencil''') is made of colored hardened Grease and is useful for marking on hard, Glossy surfaces such as Porcelain or Glass . Wax crayons are commonly used for drawing and coloring by children. Crayons are a staple at most schools worldwide. They are easy to work with, not messy (as are paint and markers), blunt (removing the risk of sharp points present when using a pencil or pen), non-toxic, and are available in a wide variety of colors. The world's largest manufacturer of wax crayons is Binney & Smith Inc. , the manufacturer of Crayola crayons, which are made of Paraffin Wax , a petroleum product. Soybean oil can also be used to make crayons, although this is not as common. Some fine arts companies such as Swiss Caran D'Ache manufacture water-soluble crayons. With or without water, once applied to media the crayons' colors are easily mixed. Jean-François Millet is an example of one artist who used conté crayon in his work. Melting points in crayons are 120°F or 40°C. [http://www.vggallery.com/influences/millet/m_0668.htm EXTERNAL LINKS |
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