1. nib type: there are three kinds of nib of carbon pen: ballpoint pen, signature pen and pen. Ballpoint pens are suitable for daily writing, signature pens are suitable for formal occasions, and pens are suitable for people who like calligraphy. Choose the appropriate pen tip type according to your own needs.
2. Ink types: There are two kinds of ink for carbon pens: oily ink and water-based ink. Oily ink is bright in color and not easy to fade, but it may have some influence on paper; Water-based ink is more environmentally friendly, writing is smooth, but the color is lighter. Choose the appropriate ink type according to your own preferences and usage scenarios.
3. Body material: The body material of carbon pen is plastic, metal, wood, etc. Metal and wooden pens feel better, but they are heavier. The plastic pen body is light, but it wears easily. Choose the right pen body material according to your own habits and preferences.
4. Brand and price: Choose carbon pens of well-known brands, and the quality and after-sales service are relatively guaranteed. In addition, we should choose the appropriate price range according to our own budget, and don't blindly pursue high-priced products.
5. Trial experience: Before buying, you can try a carbon pen and feel its writing fluency, pen tip touch and ink adhesion, so as to better determine whether it meets your own needs.