What are the types of crayons?

1, colored crayons. Crayons made of compressed chalk, pigment powder and adhesive. Paintings created with this crayon are called colored crayons. The traditional adhesive material is Astragalus Gum. When the bonding material is linseed oil, this crayon is called oil chalk. Colored crayons are used to draw on rough paper, cardboard or specially prepared canvas. Colored crayons are easily damaged because they become blurred when touched. Fixing agent can protect the picture, but it is not desirable because it will darken the picture. The best way to protect colored crayons is to put them in glass.

2. Pull crayons. Drawing crayon is a new type of crayon, which has obtained international non-toxic certification and passed the European standard EN7 1Part 1-3. Drawing crayons are imported from Japan, with high quality, bright and uniform color, no caking and no core. When in use, the paper is torn off by hand as a shell without a knife, which is convenient to use, economical and practical. This product is widely used in clothing, cloth, leather, shoes, metal, wood, ceramics, glass, paper products and other industrial processing and production as a good material for marking or marking. Especially in clothing, leather goods, shoes and other industries as an auxiliary processing technology used in the excellent products, in this industry is also quite famous.