Erasable pen is made of special ink and refined by special technology. It is divided into erasable ballpoint pen, erasable gel pen, erasable water-based pen (slightly lighter in color than ink pen) and erasable pen. A liquid that volatilizes rapidly and has a certain viscosity.
Erasable ballpoint pen uses special ink to add viscous liquid such as petroleum, which is slightly more expensive than ballpoint pen and can be erased with special rubber.
Extended data:
Features of erasable pen:
Erasable pen has a special polymer material as the matrix of ink and is assembled through a special process. In the process of writing, ink forms a paint film on paper through a pen, which can be wiped with ink and finished in a few hours, just like a pencil can be wiped with an ordinary eraser;
Keep the writing content, the sun will never fade, and it will become indelible permanent handwriting after 48 hours, which can last for a long time. The appearance and writing of the product are similar to those of other ballpoint pens, with blue, black, red and other colors.
Erasable pen is a good choice for routine homework, but it is also a good choice for signing important papers or exams. This is because the erasability will disappear at high temperature.
Baidu encyclopedia-erasable pen