Faber-Castell Super-Polymer leads - 0.9mm
Faber-Castell Super-Polymer leads - 0.9mm
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Faber-Castell super-polymer leads are resistant to breakage and provide a very pleasant writing or drawing experience!
- Contains: 12 leads
- Line width: 0.9 mm
- Degree of hardness*: HB
*What exactly is the degree of hardness?
To better understand the degree of hardness, you must first know that lead is composed of graphite (which provides coloring) and clay (which gives structure).
The mixing ratio of these two materials will determine the degree of hardness of the lead. The greater the amount of clay, the harder the lead will be. Hard leads offer a lot of accuracy and durability, but lack blackness. They can also dig into the paper if pressed too hard. Softer leads provide good blackness, but wear out quickly. They are sometimes difficult to erase.
The letters on the lead packets symbolize the category it belongs to:
H: Hard
F: Fine
HB: Hard Bold
B: Bold
AND: Extreme
Numbers, ranging from 2 to 9, offer an indication of the degree of hardness of the lead. For example, a 9H lead is very hard and a 9B lead is very oily and soft.
HB leads are the most commonly used.
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Faber-Castell is one of the largest manufacturers of writing instruments and office accessories. It is also one of the oldest — it was created in Stein, near Nuremberg, in 1761, by the carpenter Kaspar Faber, his wife Maria and his son Anton Wilhelm. At that time, the company was called A.W. Faber Company and it was only in 1900, when the granddaughter of Johann Lothar Freiherr von Faber (the great-grandson of Kaspar Faber), married a count of Castell, that the company was renamed Faber-Castell. |
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