Gel pen is a novel-writing tool that is currently popular in the world. It has a comfortable writing feel and low ink viscosity. 1. The gel pen originated in Japan. The end lithium ester is used to seal the organic material of the neutral ink in the ink tube. The excellent lithium ester enables the…
In fact, the difference between the needle type refill and the bullet type is the thickness of the refill. Because the bullet type is self-contained, it can be used with very thick refills. The thickest can be above 1.2. This is neutral. The pen is very thick. Most of what we need in our daily…
Divided into dipping fountain pens, tap fountain pens, and ink sac fountain pens. A fountain pen is a pen-type writing tool that mainly uses metal as the body of the pen. It is filled with ink (mostly black or blue) through a hollow pen tube, and through the action of gravity and capillary, and then…
