Graphite Pencil Lead Pencil with graphite as the main material. Available for drawing and general writing.
Graphite lead hardness mark, generally use "H" for hard pencil, "B" for soft pencil, "HB" for soft and hard pencil, "F" for hardness between HB and H. Pencil The pencil is divided into 18 hardness grades such as 6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H, 7H, 8H, 9H, 10H, etc. The larger the number in front of the letter , respectively, indicate that the harder or softer.
In addition, there are 7B, 8B, 9B3 grades of soft pencils, to meet the special needs of painting, etc. The color lead pencils have colored pencils. The lead core consists of clay, pigment, talcum powder, adhesives, grease and wax, etc. For marking symbols, paintings, drawing charts, maps, etc. Color pencils are usually packaged in sets (6, 12, 24, 36, 64 colors).
Special pencils include glass pencils, color pencils, charcoal pencils, blueprint pencils, watercolor pencils, pastel pencils, etc. They each have their special purpose.
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Fucheng Metals Production Co., Ltd. of Jiangmen City , https://www.fcmp.com