Kirk Wallace wrote: > KPR? > > Kentucky Paranormal Research > Kawartha Pine Ridge District Public School Board Kodak Photo Resist, a Xylene-based organic photo resist that is hardened by exposure to UV light. It is very "old school" and not only requires nasty chemicals, but is quite fragile. The aqueous-based developer for Riston photo resist is washing soda, and the stripper is a weak lye solution, I get both on my hands without harm.
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