In the air in the hand, it can also maintain the original finished state of the ink for a long time, and once there is no irritating odor, it will not make people feel uncomfortable. I feel that it will not cause great harm to the human body. The water in UV sounds like a relatively monotonous black series, but it is not the case. It already has multiple colors such as red, yellow, blue, and black. And its color is very bright, with high- A saturation, the gloss is also better, can give people a bright feeling, therefore, in the system When making UV products, the choices are also very diverse, which can better meet the different needs of different customers. It should be noted that the best way to store UV ink is to keep it away from light, and it should be sealed well, not often exposed to the air, and also not Put it in too low or too high a temperature, because the extreme temperature will cause it to deteriorate, and its quality may become less than ideal.