An eraser is quite an important thing not only in drawing or sketching with a pencil, although it is often underestimated. Picking up the wrong eraser, all your work can go down the drain, there is a risk of dirt and spoil the paper. Why does the eraser wipe off the pencil? This is due to electrical voltage, which causes the graphite particles to adhere to the rubber. This is why it is so important to choose the right erasers for drawing.
What are erasers made of?
What material are erasers made of? There are many different types of erasers in different price ranges. Typically, most eraser types are made from rubber with the addition of various binders. A standard stationery eraser is made from natural or synthetic rubber. It can be difficult to distinguish them if the composition is not written on the package. Synthetic rubber erasers can be very crumbly in your hands.
Before choosing an eraser, first, you need to decide for what purposes you will use it, and proceed from this point. Remember, for different purposes, types of paper and pencils, you need to use different types of erasers. Also an important factor will be on what paper you draw, with what pencils, with what pressure.
A vinyl eraser is the most expensive type of eraser. It serves for a long time and does not deteriorate, unlike rubber and gum ones. A vinyl eraser has a soft substance, which is why it is sold in a cardboard or paper holder. It is great for the most complete removal of traces from a black lead pencil, while it does not spoil the surface of the paper, does not turn it into small chips. When erasing, small particles flake off from the vinyl eraser itself.
A rubber eraser is an eraser from the middle price segment, it is also called a clerical eraser. The most famous of this type is the well-known red and blue eraser. The statement that the blue side (the hardest) erases the pen is just a myth. In fact, the blue half is intended for a tougher removal of the pencil. For example, if you overdid it, you press hard on the sheet so that this pencil mark will not rub off. Such an eraser can only erase a pen by damaging the paper.
Erasers are flexible, ductile, medium on the strength scale. Please note that rubber erasers are abrasive and can easily damage paper, especially fine paper. It is recommended to use only when working directly with whatman paper or thick paper. Rubber erasers are perfect for removing traces of lead, as well as multi-colored pencils.
A gum eraser is made from synthetic rubber and is the cheapest type of eraser. The most popular example of this type is the pencil tip eraser. It is very strong, does not crumble in the hands. Good for graphite and multicolored pencils, leaves crumbs behind. It is suitable when working with a thin type of paper, does not damage its top layer, although it does not completely erase the pencil when pressed firmly.
A kneaded eraser is a specialized eraser for the fine arts. It is also called an artist eraser; it is made from synthetic soft rubber. Its texture is similar to plasticine, which is very convenient. Unlike a kneaded eraser, other eraser types remove pencil marks along with a layer of paper. The kneaded eraser is a sticky object, graphite sticks to it well, blotting the line and removes graphite from the paper without damaging it itself.
Any shape can be molded from it and the tiniest details can be erased. It absorbs color quickly, does not smudge the pattern, and does not leave crumbs behind. The kneaded eraser is suitable for drawing with charcoal, graphite, pastels, and so on. The types of kneaded eraser are distinguished by their softness: from the smoothest and softest to the hardest, like an eraser. It is usually sold in small plastic containers or sachets to avoid contamination. Not suitable for completely erasing a drawing or part of it.
Additional types of erasers
An electric eraser is a relatively recent ergonomic tool on the market. With the help of a fast motor, it erases the pencil pointwise without damaging the paper. You can hold it by barely touching the paper. It erases graphite more accurately and with less chance of damaging the paper. A comfortable grip with a button on the body assists in right-handed or left-handed use, depending on the artist’s needs.
A pencil eraser is shaped like a pencil. A simpler option is a standard school pencil. In this case, a rubber eraser is most often used, which is attached to the tip at the top of the pencil. There is another type of pencil eraser, which is filled with an eraser along its entire length (like a lead inside a graphite pencil). Before work, you need to sharpen it like a pencil. Some manufacturers add special brushes to the other end of this pencil eraser to remove dust. They are very handy for adjusting small details. Pencil erasers are available on the market as double-sided pencils, with a hard eraser on one side and a soft eraser on the other.