What is a graphite pencil?
In this article, you’ll learn all about graphite, what it is and how it’s made.
What is a Graphite Pencil?
A graphite pencil is a pencil that’s made of graphite. The material is the same color as pencil lead, and the hardness is about the same. However, a graphite pencil’s properties may not be what they seem to be.
An example of a graphite pencil you might be familiar with might be:
“Diaperite” — also called “blue-dot graphite”. This pencil is used to write in dark rooms or outdoors.
“Tin-foil” – also known as “black-lead graphite”. This is used to write in bright light.
“Lumierite” – also known as “white-lead graphite”. This is used on computer keyboards.
“Fiberglass” – also known as “cordite” or “luminescent graphite”. This is used to write in water.
Also known as, I’m sure you’ve heard of a lot of graphite pencils, but what about those used for drawing? Do they have all that I just mentioned about graphite?
The following are some of the important properties of graphite:
Stability can be measured in two ways:
Linear stability: A pencil with a straight bend in the pencil lead. It is known as linear stability.
Sine stability: A pencil with a non-linear bend in the pencil lead or end. These pencils are known as sine stability.
I’ll discuss some more commonly used graphite pencils on the next page.
In this article we look at:
What are graphite pencils made of? What are some basic properties of graphite pencils compared to normal pencil lead?
What are graphite pencils made of?
Graphite pencils are a type of pencil that contains lead. It contains two distinct groups of compounds:
graphite (a type of silica) and graphite-silicon (a type of silicon).
The graphite-silicon is formed from the carbon atoms of graphite. The two different groups of carbon atoms are used to make the two different groups of lead atoms.
The two groups of lead atoms are
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