What are the technologies of paper bag printing?
The paper bag printing industry is now highly competitive. From customer orders to technological innovations to sales prices, many Chinese printers trying to win the market. Often, those companies that master core technologies have the upper hand. So, what are the core technologies of paper bag printing? Offset printing inline cold stamping technology; web foil stamping technology; combined printing technology are among them. In the past, traditional hot stamping required a special metal hot stamping plate, and the required hot stamping material was transferred to the surface of the printing material by heating and pressing. Today, the offset printing on-line cold stamping technology mainly used in paper bag printing is to paste the graphics and text that need to be stamped on the surface of the substrate through an adhesive under normal temperature conditions. The realization method is to directly use the two units of the original offse...