Sign & Digital Graphics

November '19

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Page 49 of 72

S I G N & D I G I T A L G R A P H I C S • November 2019 • 43 direct film we use for our photo sten- cils. And the vast majority of our screens are exposed outside since our light box is underpowered and really not large enough. I have written about how that is done before, but the process is fast, simple and free. Our screens are aluminum framed, and we have them professionally stretched by a vendor a few miles away. They are re- used probably 50 times before the mess needs replacing, which is very cost effec- tive as are the inks that we use. We use direct capillary film for setting up our screens, which works very well and is simple to use. After exposure, the film that was struck by light is hardened, but any area protected by the image in a film positive washed out cleanly and in great detail. Here are just some of the screens I was producing and using over one weekend. Film positives are just opaque positive images of the artwork to be printed, and ours are mostly made from plotted vinyl and the clear backing sheets from capillary film stencils. Simple one- or two-color cor- rugated plastic sign jobs are still very practi- cal to accom- plish with sign shop screen printing.

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