Compressed charcoal was developed in the 20th century to strengthen the natural structural weakness of Willow and Vine charcoal. To create compressed charcoal or charcoal pencils natural gum or wax binder is added to powdered charcoal. This makes the charcoal stronger to draw with and produce less dust. Many grades of this compressed charcoal can be found in stick forms or in the form of charcoal pencils.
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