Crayon

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Crayons

A wax crayon (also wax crayons , wax crayons , wax pencil , grease pencil or grease chalk ) is a writing and painting tool made from soft wax compounds . When painting, a visible wax film remains on the surface. The strong opacity of wax crayons ensures bright colors . The drawings are largely light and waterproof.

The American Edwin Binney (1866–1934), who first made them in 1903 together with C. Harold Smith, is considered to be the inventor . The Crayola company he founded (formerly Binney & Smith Inc) is now the world's largest manufacturer of crayons.

composition

Wax crayons consist of waxes as binders , color pigments and inorganic fillers , such as. B. talc or kaolin . Water-soluble pens also contain emulsifiers.

Special uses

With wax crayons, among other things, scratch pictures are made in school art lessons by first painting a sheet of paper completely in bright colors and then painting it over completely black. The black layer is then partially scratched away so that the colored layer of paint underneath becomes visible.

So-called marking chalks are wax chalks that are used in industry and trade for lettering and marking on smooth surfaces. The so-called forest chalk used for markings in forestry and construction are also referred to as marking chalk .

Wax marking crayons in the manner of colored pencils , such as B. Glass pen pens are referred to as greaseproof pens .

See also

Web links

Commons : crayon  - collection of images, videos, and audio files
Wiktionary: crayon  - explanations of meanings, word origins, synonyms, translations

Individual evidence

  1. ↑ wax crayons. ( PDF (approx. 2.3 MB)) In: Faber-Castell - Consumer handbook. faber-castell.de, pp. 31–33 , accessed on October 8, 2018 .
  2. ↑ Buscher-Holzweg elementary school - scratch images. (No longer available online.) Gsbhw.krefeld.schulen.net, archived from the original on February 25, 2013 (with images).;
  3. Jump up ↑ chalks - marking chalks. ( PDF (approx. 2.3 MB)) In: Faber-Castell - Consumer handbook. faber-castell.de, p. 33 , accessed on December 18, 2017 .
  4. ↑ Colored pencils - greaseproof pencils. ( PDF (approx. 2.3 MB)) In: Faber-Castell - Consumer handbook. faber-castell.de, pp. 27–28 , accessed on December 18, 2017 .