.Flat printing press: Generally use weak solvent ink, printing materials will fall off, adhesion is not strong, to paint, not easy to dry, dry, and easy to accumulate ink in winter. Its advantage is that its color is more beautiful than the UV ink, and higher brightness, it almost don't need to paint, also do not need through any processing, so it's a lot better than viscosity, won't fall off, but its color is not so bright, weak solvent and will soon dry, but most of the production to meet demand. Is the main trend of current development. I think when you say spray paint, you use ink and wash, while printing is spray painting. And the above two devices are for flat hard material printing, application range is different.
