Composition for preparing pencil lead or drawing material and preparation method thereof

The invention discloses a composition for preparing a pencil lead or a drawing material and a preparation method of the composition. The invention discloses a composition for preparing a pencil lead or a drawing material. The composition comprises clay, kaolin, carbon black, carbon powder, amorphous graphite, a surfactant, fumed silica and an adhesive. The invention further discloses a method for preparing a pencil lead or a drawing material by using the composition. Through specific material combination, selectable multi-color-gradation varieties are achieved at the same time, different from unique cotton-waxy and soft hand feeling of a graphite core and a carbon painting core, the pen touch is fine and smooth, writing is clear and smooth, the coloring and color spreading effects are excellent, the strength is high, and tip breaking is not likely to happen during, sharpening, writing and painting, powder is not easy to fall off during writing and painting, so that the picture is not easy to dirty, is easy to