screen printing > Screen Making

Under cutting & light scatter

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squeezee:
Ahhh yes, I remember  ;)  One forgets so easily.

DouglasGrigar:

--- Quote from: ftembroidery on May 21, 2011, 01:36:02 AM ---Would I be correct in believing that it is actually impossible to overexpose a screen? (Allowing for undercutting as you stated in the first post and assuming the positive was 100% effective in blocking UV light)

--- End quote ---

There are extremes in everything...

One item that helps greatly with this is the use of dyed mesh - and contrary to common belief the increase in exposure time is often not excessive. Un-dyed or white mesh aggravated this problem with the increase in refraction of actinic light and its travel along the white threads. (the ?emulsion socks(c)? of thread growth show this.)

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