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The main ingredients of pencil lead

Release time:

2023-09-28 16:55

The main components of the pencil refill are graphite and clay. Graphite is a flaky solid with metallic luster. Among them, there are carbon-carbon chemical bonds. Van der Waals force is between layers. The carbon-carbon chemical bonds are very stable. It is very difficult to destroy. This is why diamond and graphite are composed of carbon, but their physical properties and prices are very different, nothing in the human body can break the carbon-carbon chemical bond, so it is certain that pencil lead is safe (unless the clay added inside is harmful to human health).

In fact, pencil lead is not toxic, lead is toxic, and the main raw materials for making pencil lead are graphite and clay, so pencil lead is non-toxic.

 

Key words:

Pencil

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