How to make screen printing at home 3
* Please turn off the lights in the room, pull the curtains, it is best to leave a peeing night light like that -----
Remember the sensitizer introduced in the previous article?
Pour the small red liquid into the large blue liquid first,
Stir well! (Toxic, be careful not to touch hands)
Then pour the liquid into the scraper.
Apply the emulsion at the 45 ° angle evenly and slowly onto the screen
* Remember to apply slowly, so that you can spread it evenly, and if it's too fast, it will be prone to bubbles. This will cause small holes in the screen when it is washed. If it is not coated or coated too much, it may be Cause the screen production failed.
* Still can not turn on the lights now!
Dry the screen, you can use the fan or blower dry, wait for it to dry. . .
Then prepare the projection film on the front screen, is the front please note! Also pay attention to the positive and negative position of the projection film.
Illuminate the screen evenly with the light. Determine the exposure time according to the wattage. If it is too short or too long, it will fail. After that, it will be easier to grasp the time if you practice several times. In my experience, if a 500-watt projection light is used to irradiate 8 Open the screen, it costs about 3 to 4 minutes of time
Difficulty: ★ ★ ★ ★ ★.
Then use a strong water column to wash the screen version. Also wash evenly
In general, the black part of the slide will be washed away.
If all washed away, or can not afford to wash, all failed.
The following is a printed introduction, not so complicated
If you are going to print a bag, put the plank or thick book in the bag first.
Put the screen on the bag like this
The pigment squeezed in the top part of the board
Pigment scrape the screen in the direction of the arrow
Completed successfully! Please remember to dry the paint on the bag, and then to quickly wash the screen!
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