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 ...

The materials used to make Pencil Lead Case are carefully selected to ensure that they have good moisture resistance. Plastic materials are widely used because of their waterproof and corrosion-resistant properties; metal materials such as stainless steel or aluminum alloys, although slightly more e...

The design of this Students Use Mechanical Pencil is indeed optimized for students of a specific age group. The pen holder adopts a rollable printed film design, which is not only beautiful, but also provides a certain degree of elasticity, making the pen holder less likely to be damaged during use....

The plastic material of Office Use Roll Ball Pen, as its core component, is not only related to the pen's appearance and aesthetics, but also directly affects the user's writing experience and the overall durability of the product. In order to improve the performance of rollerball pens, manufacturer...