[China Glass Net] 1 dust and foreign matter attached to the plate. At the time of plate making, there will be some sol in the washing and developing. In addition, when the emulsion is applied, dust is also mixed in, and pinholes are formed by adhering to the screen. These can be found and repaired in time when the test is carried out. If dust and foreign matter adhere to the screen, blocking the screen opening can also cause pinholes. Before the official printing, the screen should be carefully checked to eliminate the dirt on the plate; 2 the cleaning of the glass surface. The glass plate should be pre-treated before printing to make the surface clean and print immediately. If the glass is processed, it will not be printed immediately and will be contaminated again. Pre-treatment removes dirt such as grease and, at the same time, removes dust adhering to the surface. Pay special attention to the fact that when the glass is moved by hand, the fingerprint of the hand will also adhere to the printing surface, and pinholes will be formed during printing.
Type D Sintered Mesh,Expanded Metal Mesh Screen,Sintered Metal Sheet,Metal.Mesh Screen
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