What material is this pencil made of?

Pencils are mainly made of wood, clay, graphite and polyester. The components of the pencil are: 1, pencil board; 2. Lead core; 3. Appearance decoration.

1. Pencil board: cut the wood with a square saw, then divide the cut wood into small pieces, then treat it with hot water, and finally saw the treated small pieces into pencil boards with a machine.

2. Lead core: graphite and clay are distributed in proportion, then these materials are mixed by a machine, and a lead core with a certain size is extruded by a machine, then the prepared lead core is heated, and finally the lead core is immersed in oil.

3. Appearance decoration: After the production process of the pencil is completed, the appearance decoration of the pencil is made of polyester material, which makes the pencil look more beautiful.