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What is borax decahydrate used for?
USED for lead and pencils USED for lead and pencils
Is lead used in pencils?
No. Lead used to be used in pencils but they stopped using it in them becasue of lead poisoning from pencils. Now they use graphite instead
Is the graphite in pencils harmful?
No, it is non-toxic.
Where does the lead from pencils come from?
The Lead in pencils come from graphite. Graphite is an allotrope of carbon.
Can eating pencil lead kill you in ten years?
If lead pencils were the ONLY thing you ate, it would kill you in a lot less time than that. Pencils do contain some digestible fiber (in the wood), while the graphite "lead" doesn't provide much in the way of nutrition. The "lead" in a pencil is actually not the element lead, which can be toxic; it is graphite, which is powdered carbon. Eating one pencil "lead" is pointless, but harmless.
Do children with ADHD eat lead pencils?
No, there are far more ADHD's than lead pencils eaten or in total. By the way did you know that there is no (toxic) Lead in pencils anyway? And still, why should ADHD's eat pencils??
What are legal issues with pencils?
pencils contain lead. lead is dangerous for humans. many students put pencils in there mouth and can lead to lead poisoning. This can bring lawsuits against companies for negligence as the companies know the pencils contain lead which is toxic.
Why isn't lead used in pencils anymore?
There has never been any lead in lead pencils. The graphite deposit that produced the first pencils was mistakenly thought to be lead. Chemists pointed out the error but the name stuck.
What is the lead part of a pencil made of?
first step in pencil manufacture involves making the graphite core as the "lead". Back in the day we used lead which is toxic, the we switched to Graphite which is non-toxic. --------- It is frequently called "lead" as in "lead" pencils. But there is no lead in Graphite. Pencils simply contain a mixture of graphite and fine clay in varying proportions to make them hard or soft.
Do mecanical pencils have lead in them?
No, they have graphite. Soon after people realized that lead is very toxic and poisonous, they removed it from most writing devices and such.
Is pencil lead dangerous to eat or touch?
In the USA, they no longer put lead in pencils. It is now graphite - a non-toxic substance.
Why do lead pencils not have lead?
Lead is so dense it is as hard as rock, so it is very hard to write with them. And also, it's very toxic. Pencils now contain graphite, which is just a form of relatively harmless carbon. However, people still call them "lead".
What do we use for lead in pencils?
It is called "lead" because the original pencils were made from soft lead. However lead is a toxic heavy metal.Modern pencil "lead" is made of graphite and a binder. The most common binders are clay or plastic resin. This is completely nontoxic and the hardness can be precisely controlled to meet the requirements of different users.
From what material is the lead inside a pencil made?
The lead inside the pencil is made from Graphite which is a natural form of carbon. The heavy metal Lead has never been used in pencils since its invention. If lead have been used instead of graphite the users of pencils may not be alive because lead and its compounds are very toxic.
What are lead pencils made out of?
The lead in pencils are not made out of lead, as is common belief. Pencil lead is made out of graphite.
What is graphite used in?
pencils such as lead pencils
What is borax decahydrate used for?
USED for lead and pencils USED for lead and pencils
