Speedball Screen Printing

speedball screen-printing kit?

i have a speedball screen-printing kit, this will be my first time trying to screen print something, but i was wondering how long i put the screen in the sun for to burn the emulsion? on the directions it tells you the time for different lamp lights but i dont have a lamp.
please help

Buy a lamp at Home Depot ($4.97) and remove the protective glass (which filters the ultraviolet rays). When I first started screen printing, I tried to use the sun to burn my screens, and there were too many variables that I couldn't control (passing clouds and the amount of time out in the sun). I use a UV lamp 16 inches above the unexposed screen for 12-16 minutes, although a higher-power lamp could get your exposure time down to 5 minutes or so. Remember to place something dark (towel or tablecloth) underneath the screen to limit the scatter of the UV light. If you live in a place with strong, consistent sunlight, I'd suggest 10 minutes of exposure time.

How to Use Speedball Screen Print Materials

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