ink
Ink (English: ink) is a liquid, gel, solid containing pigment / dye, used for writing letters and coloring the surface. There are kinds of oily, aqueous and so on. Those used for writing or printing are often referred to as Dutch ink (inkt). Today, there may be more opportunities for ink used in inkjet printers to touch daily than ink to be attached to a pen. Ink used in Japan and China for a long time is also a kind of ink. The oil ink is cured when it is kept unused for a long time, the water-based ink is excellent for preservation, but there is a weak point that it blurs when wet with water. In recent years, "aqueous pigment ink" has been widely used in ballpoint pens, printers and the like. It has the advantage that it withstands long-term preservation, it is hard to blur even if it gets wet with water, and it can be dropped by washing with water. ...