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None.
There is no lead in pencils. What is commonly called lead is actually graphite.
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∙ 10y ago
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Can pencil shavings be recycled?
have never heard of pencil shaving being recycled, and I do not believe they can be because they are not just wood they also have graphite, lead, mixed in.
Does a lead pencil actually have no lead in it?
'Lead' pencils never contained any lead. They are made of a mixture of graphite and clay.
How would you improve a pencil?
I would improve a pencil by using less wood and lead.
What Si unit would you use to measure the width of a pencil lead?
Pencil lead is very narrow. Millimeter can be used to measure it.
What elements does lead contain?
Pencil lead contains the element carbon in the form (allotrope) of graphite. The powdered graphite is mixed with a clay binder.Pencil lead has never contained any lead.
Would 0.5 mm work for a 0.7 lead pencil?
No. The lead would fall out.
What is the driffrent numbers on the side of the pencils for?
The number of the pencil is based on the type of carbon lead used inside. The thicker the carbon lead gets the higher the number of the pencil becomes. If you notice a mechanical pencil is 0.9mm in diameter so it would be called a #0.9 pencil. A #2 pencil's lead is 2mm in diameter. So Why would we call a pencil a #3 pencil? Because it's lead is 3mm in diameter.
Is it called a lead pen or a lead pencil?
lead pen because a lead pencil is a regular pencil.
Does pencil lead have coal in it?
Pencil lead does not have coal. Pencil lead contains graphite.
Why the term lead pencil incorrect?
lead pencil is incorrect because it lead pencil
What is the percentage of lead in the lead pencil you are using?
there is no lead in lead pencil.
Is pencil lead is Pb free?
There is no lead in pencil - Pencil is made from graphite
