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To make it harder. Pure graphite would be too soft for use as a writing pencil.

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12y ago

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Of what used is graphite mixed with clay?

Graphite mixed with clay is used to create graphite pencils. The clay helps to bind the graphite together, giving the pencil its structure and allowing for smooth and consistent writing or drawing. Different ratios of graphite to clay determine the hardness or softness of the pencil lead.


What mineral is mixed with clay then made into pencil led?

Graphite.


What is the Use of graphite powder?

Graphite is used as a lubricant and, mixed with clay, in pencil lead.


What is a pencil lead made of?

Pencil "lead" is actually made of graphite, which is a form of carbon. The graphite is mixed with clay to give it form and strength. These mixture of graphite and clay are then encased in wood to create a pencil.


What is a pencil tip made of?

Pencil Tip is made of Lead, but nowadays it is usually made of Graphite.


What mineral is a pencil made up of?

The "lead" of a pencil is made from graphite, which is a form of carbon.


What mineral make the lead in a pencil?

Graphite is the mineral that is used to make the lead in a pencil. Despite its name, pencil "lead" is actually composed of graphite mixed with clay.


What mineral when mixed with clay is used to make pencil lead?

Graphite, a form of carbon


What is the formula for pencil lead?

The formula for pencil lead is a combination of graphite mixed with clay. The most common type contains graphite and clay in a ratio of approximately 80:20. The clay acts as a binder to hold the graphite together and determine the hardness of the lead.


What minerals are in a pencil?

The core of a pencil is typically made of graphite mixed with clay. Graphite is a crystalline form of carbon, while clay is a mineral composed of finely-grained particles of hydrous aluminum silicates.


Which element is present in pencil?

The grey or black core of a pencil is made of graphite which is a form (known as an allotrope) of the element carbon. To vary the hardness of the 'lead' in the pencil the graphite may be mixed with clay or some other substances.


This mineral when mixed with clay is used to make pencil lead and also used for a oil?

The mineral is graphite.