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Would a a window film that is supposed to block up to 98% or more of UV light make a room dark room safe for working with screen emulsion?
I'm looking at a couple of window film products from 3M and Gila that block 98-99% of UV light (or so they say).
I'm looking at a couple of window film products from 3M and Gila that block 98-99% of UV light (or so they say).