## Can mechanical pencil lead kill you?

Pencil lead is composed of graphite and clay and none of these are known to kill humans however the shape and amount of lead consume may result in varying severity of physical problems in the body.

Having said that it is not recommended to eat lead just because it may not kill you..

## Which lead is darker HB or 2b?

Numbers are then used to indicate the degree of softness – the higher the number the softer the lead and the blacker the mark. For example, a 2B lead is softer than a B lead and will produce a blacker mark.

## Is No 2 pencil same as 2b?

“B” or “2B” pencils as well according to the same FAQ. … Generally, a #2 pencil is about the equivalent of an HB pencil. According to this system, pencils are graded on a continuum for “H” (hardness) and “B” (blackness), with a number to say how hard or how black it is.

## What pencil lead is the darkest?

The letter “B” is used to indicate the blackness of a pencil’s mark (a darker mark means a softer lead). The letter “F” is used to indicate that the pencil lead is a special formulation that will maintain a fine point.

## Is 0.5 or 0.7 lead better?

The, 0.7 lead will draw a wider line than the 0.5 will. The hardness of the lead determines how dark and smeary the line will be. Be aware that 0.5 lead is much stronger than 0.5. 0.5 lead is quite easy to break.

## Which is darker 2b or 4b?

Softer pencils make darker marks since more of the material is released. Therefore, a “4H” pencil will produce lighter marks than an “2H” pencil while a “4B” pencil will make darker marks than a “2B” pencil.

## Is 0.5 or 0.7 smaller?

0.7 is greater than 0.5 because 7/10 is larger than 5/10. 0.7 is larger than 0.5 by 0.2.

## Which pencil is darker 2b or 6b?

Today, however, most pencils using the HB system are designated by a number such as 2B, 4B or 2H to indicate the degree of hardness. For example, a 4B would be softer than a 2B and a 3H harder than an H.

## What is the softest art pencil?

The H pencil range: The 9H pencil is the hardest and H pencil is the softest. The B pencil range: The 9B pencil is the softest, and the B pencil is the hardest.

## Is 0.7 lead the same as a #2 pencil?

An HB lead is right in between and is considered equivalent to a #2 pencil.

## Is Lead soft or hard?

Lead is a very soft metal with a Mohs hardness of 1.5; it can be scratched with a fingernail. It is quite malleable and somewhat ductile.

## Is 0.7 or 0.9 lead better?

If you’re going to be writing with your pencil, you’ll want lead thick enough that it won’t break too easily. With modern leads, 0.5mm is quite strong enough for most people, but more heavy-handed people do sometimes find they snap such thin leads, and 0.7mm or even 0.9mm leads are better for them.

## What is the hardest lead?

Hard leads Harder pencil leads start with 2H, which is the equivalent of a Number 4 on the U.S. Numbering system, followed by the increasingly harder 3H, 4H and so on.

## Which is darker HB or 2b?

The 2B pencil has a higher blackness, and the marks drawn are relatively black, while the HB pencil has a lower blackness, and the color of the marks drawn is relatively light, which is very different. … The usage of 2B pencil and HB pencil is also quite different. 2B pencil is darker in color and lower in hardness.

## Which is the hardest pencil grade?

Graphite pencils come in a series of ‘hardnesses’, or ‘grades’, ranging from 9B (the softest) to 9H (the hardest).