In order to significantly improve the smoothness of writing, lubricants are introduced into the production process of gel pens. This lubricant, often referred to in the industry as a “follower sealant,” or more colloquially as a “lithium ester” or “tail plug oil,” plays multiple roles. First of all,...

Compared with traditional single-headed highlighters, dual-headed highlighters offer several significant advantages in design and functionality, which make dual-headed highlighters more efficient and flexible in a variety of scenarios such as study, work, and note organization. Double-ended highligh...

The ink used in gel pens is a specially formulated water-based pigment ink, and its viscosity is precisely controlled within a range that is neither too thin nor too thick. This ink can flow out quickly and evenly when writing, and it is neither too thin to be difficult to control nor too thick to i...

The water-based ink of a Marker Pen is mainly composed of water, pigments or dyes, surfactants, moisturizers, etc. These ingredients make water-based ink soluble in water, environmentally friendly, and easy to clean. Water-based ink usually has a lower viscosity and better fluidity, which allows it ...