What are the reasons for the hair making of the screen plate?
Exposure time can refer to what you buy photoresist, generally have attached information, the above will have a reference time.
Film thickness to touch the edge of the brush slightly raised the feel is better. (Coating method can be used in this way to try: screen inside coated 2-3 times, and then dry, to be completely dry After the screen outside the continuous coating 2-3 times. (Outside the number of coating can be based on the final thickness of the corresponding increase or decrease)
Exposure time is the most important, lack of time, after the version of the mucus to stay in the screen, affecting the printing edge, a long time, it is not easy to open the screen, it will be printed edge defects caused by burr.
Ink with hardening agent is also likely to cause the printing ink is not enough to produce the edge of the lack of ink and produce hair phenomenon.
The tension of the screen is a little bit (generally if the fingerprints, the recommended tension of 19 or so.
