Graphite Pencil Degrees of Hardness Explained – Faber-Castell USA
$ 8.99
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By A Mystery Man Writer
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Product Description
Your graphite pencil lead guide. Our high-quality graphite pencils consist of a mixture of graphite and clay and are currently available in 16 degrees of hardness. The degree of graphite hardness is determined by the mix ratio of the graphite and clay. There is graphite pencil for every artist!
Hardness of Pencils - Guide to the Graphite Grading Scale
Hardness of Pencils - Guide to the Graphite Grading Scale
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