RT GEL PEN combines the advantages of a fountain PEN and an oil-based ballpoint PEN. It is comfortable to write with a low ink viscosity and an appropriate lubricant.
Fountain Pen is a prototype that uses ink to flow automatically to the tip of the pen. To test the fountain pen's performance, we need to do the following experiments.
In fact, the disposable free ink pens and refills are white trash, which is definitely bad for the environment: the white plastic doesn't break down easily and can be hazardous to the soil when discar...
Free ink pens are mainly used ball ball ball in writing and paper direct contact friction, ball in the ball seat rolling, take out the ink or ink in the pen core, and follow-up water in the effect of ...
Fountain pen manufacturer suggests using a fountain pen to write without being too heavy, exceeding the elastic limit, and over time, there will be a separation of the sharp slots, a thickening of th...
A one-off whiteboard marker is popular because of its economic utility and low cost of development. Today, the whiteboard marker manufacturer will explain how the market is doing.
A liquid ink roller pen is made up of a pen cap, pen body, ink storage device, and pen holder. The ink storage device is inside the pen holder. A liquid ink roller pen has many other advantages.
The liquid ink roller pen is mainly made of water. Under the action of the writing fluid, the writing fluid passes through the gap between the steel ball and the tip of the pen to form the handwriting...
The viscosity of the writing medium is between water and oil, therefore, RT GEL PEN is more smooth than ordinary oil-based ballpoint PEN, which is an upgrade of oil-based ballpoint PEN products.
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