Rollerball Pens mainly use water-based ink or neutral ink, which is based on water as the solvent, with dyes and a small amount of surfactants added, and the ink viscosity is low. This ink has stronger permeability and can be quickly absorbed by paper fibers, but may cause slight bleeding on thin pa...

When storing Marker Pen, we need to pay special attention to a series of conditions to ensure the stability and durability of their ink. Marker Pen should be stored in a cool and dry environment. Both high temperature and humidity may have adverse effects on ink. High temperature will accelerate the...

In students' daily study life, writing is an important part, whether it is taking notes, completing homework or answering exams. However, with the increase in learning tasks, long-term continuous writing often puts a lot of burden on students' hands, causing tension and fatigue in hand muscles and j...

Through its eye-catching color and highlighting effect, a Highlighter pens significantly increases the speed at which users can locate key information in a large amount of text or graphics. This marking method allows users to capture what they previously thought was important at a glance when review...