Photographic Solutions PEC 12 Refill Can 946ml. Since 1983, PEC-12, Photographic Emulsion Cleaner has been trusted by the worlds most prestigious photographers, labs, museums & publishers. Not only does PEC-12 routinely save many of their most valuable images, but it is the ONLY archival cleaner available. What good is cleaning an image today, only to have the emulsion slowly deteriorate over time? PEC-12 is a non-water based film & print cleaner which removes virtually all non-water based stains from colour & B&W slides, negatives & prints. PEC-12 removes grease pencil, adhesive residue, finger oils, ball-point pen, fungus, smoke & soot damage, laser separation oil & most permanent inks. Containing no water, PEC-12 dries instantly with no emulsion swelling & leaves no residue.