Gel pen refers to water-based ballpoint pen (water-based ink pen), also known as ballpoint pen and ballpoint pen, which has the characteristics of both pen and oily ballpoint pen, and has smooth writing and even lines.
2. All writing instruments that use the ball to roll out of the writing medium to form handwriting are collectively called ballpoint pens. The traditional oily ballpoint pen is the one whose writing medium is oily; The writing medium is water-based and called water-based ballpoint pen (water-based pen), and the viscosity of the writing medium is between oily and water-based and called neutral ballpoint pen (neutral pen); The viscosity of writing medium is between oily and gel pen, which is called medium oil ballpoint pen (medium oil pen); Erasable writing medium is called erasable ballpoint pen, and products such as gel pen, water-based pen, erasable ballpoint pen and China oil-based pen are all ballpoint pen products.
3. Most people regard gel pens as signature pens, but in fact, strictly speaking, signature pens refer to ballpoint pens, that is, rollerpen, which is written by foreign brands. A ballpoint pen is obviously different because its ink is oily and its signature pen is water-based.
Nowadays, many people also call calligraphy art pens signature pens. They understand that as long as it is used for signing, especially on formal occasions, it is called a signature pen. Therefore, signature pens, ballpoint pens and gel pens can be distinguished according to international standards and daily use.