The writing of erasable pen will disappear at high temperature and gradually disappear under the baking of lighter. Therefore, to be on the safe side, please don't use erasable pens for valuable securities and important documents that need to be signed.
Erasable pen uses special polymer materials as ink base and is assembled by special technology. In the process of writing ink, an erasable pigment film is formed on the paper through the pen tip, so that the ink can be erased. Handwriting can be erased in a few hours with an ordinary eraser like a pencil, and the retained handwriting will not be soaked in water and will not fade after a long time. After 48 hours, it will become indelible and permanent handwriting, which can be maintained for a long time.
Instructions for use of erasable pen
Erasable pens are suitable for writing daily homework and practicing notes. Because of its characteristic of disappearing when heated, it is very easy to modify handwriting with erasable pen, and correct use is helpful to realize neat writing of homework and notes. Easy to erase, typos disappear. It is not recommended to use in important documents, exams and documents that need to be preserved for a long time.
At present, erasable pens will basically become permanent handwriting after 48 hours, but many experiments show that handwriting will disappear when the temperature exceeds 60 degrees, so we must pay attention to this.