For the printed tags with string, the back of dirty is a common fault, but also more difficult to solve the problem. Of course, for the newly produced equipment, both the process and the equipment are greatly improved. For example, installing UV and IR dryers, and increasing the transfer time between two adjacent units are all relatively A good way. However, printing equipment that does not have a drying device has to be solved by traditional methods such as dusting and squeezing.
The dusting tends to cause difficulties in the glossiness of the printed matter and film lamination, and it also causes pollution to the production environment and equipment. We know that causing the back of the sticky dirt is due to the existence of the residual viscosity of the ink layer and the positive pressure on the substrate is caused by the role, so as long as you overcome any one of the factors to solve the problem of sticky back.
For packaged products, thicker paperboard are mostly printed at 250g/m or more, so the stiffness of the paperboard is higher than that of thin paper. Therefore, the printed semi-finished products can be rotated 90° and placed sideways on the side, which reduces the number of prints. Between the positive pressure, thus avoiding the back of the dirty, the use of good results, it is recommended that peers may wish to try.