It seems that the pencils, whether colored or gray, it’s quite simple to make the object that does not require special technology. But, it turns out, the production of a pencil takes a few days, not every tree is suitable for the base quality of the pencil, and gray and colored pencils are not only the presence of the dye.
This is how pencils are made of
For the production of pencils in India use wood basswood, pine, cedar, or alder, but the highest quality pencils are made from cedar pine. In the global production of pencils other popular high-quality raw wood tropical wood jelutong.
Rod gray or pencils consists of graphite of different densities and clay, but in colored pencils, graphite is not. Their core is made from clay, coloring agents, and binders.