Silver Mirror can be processed into a mirror. But it has many crafts, one of which is glass silk screen printing. Glass silk screen printing is a process of glass processing. The screen printing master draws the required pattern on it; there are manual screen printing and machine screen printing. Sometimes there will be pinholes during silk screen printing, what should I do? The pinhole phenomenon is the most troublesome problem for the staff engaged in glass screen printing. How to avoid pinholes in glass screen printing? Let's take a look together. How to avoid pinholes in silk screen printing: 1. Dust and foreign matter attached to the plate. During plate making, some sol will be mixed in during washing and developing. In addition, when the emulsion is coated, dust is also mixed in, and pinholes will occur when it adheres to the screen. These can be found and repaired in time if you pay attention to them during the test. If dust and foreign matter adhere to the screen, blocking the opening of the screen will also cause pinholes. Before official printing, check the screen carefully to eliminate the dirt on the screen; Pattern Mirror can be produced and sold, you can go to our website to check. 2. Cleaning of the glass surface. Before printing, the glass plate should be pre-treated to make its surface clean, and then printed immediately. If the glass is not printed immediately after treatment, it will be polluted again. After pre-treatment, dirt such as grease can be removed, and at the same time, dust attached to the surface can also be removed. Pay special attention to when moving the glass by hand, the fingerprints of the hands will also adhere to the printing surface, forming pinholes during printing. 3. Cleaning of the substrate surface. Aluminum plate, glass plate, acrylic plate, etc. should be pre-treated before printing, and should be printed immediately. In multi-color printing, the method of rubbing with alcohol before printing is generally used. In addition, semi-automatic and fully automatic ultrasonic cleaning machines can also be used. After pretreatment, dirt such as grease can be removed, and at the same time, dust attached to the surface can also be removed. We have Antique Mirror on sale, please consult us if you are interested.
