Thanks for the detailed response. I'll have to give it a try if I can
figure out where I put the PEC-12 :-)
Chuck Norcutt
Geilfuss Charles wrote:
> Chuck,
> Re: PEC-12 Go ahead and take the plunge. I was leary at first also
> but after cleaning about a dozen slides I have found it to be safe. Hell the
> Smithonian uses this stuff so it must be OK. I started out by selecting a few
> of the least desirable images as test subjects. These include both pre-1959
> Kodachrome and a few really aweful Anscochrome slides (an early E-6 slide
> film from Agfa) that have not held up nearly as well as the Kodachrome.
> I used the following procedure: Find a well ventilated place to work;
> this stuff is potent. I used a clean polypropylene cutting board as a work
> surface. Using an Exacto knife I slit the cardboard mount and remove the
> transparency. Remove any dust with compressed air. Lay a clean PEC Pad on the
> board and place 1-2 drops PEC-12 on a second pad. Use a circular motion to
> clean both sides of the film. If really dirty you may have to clean a second
> time with another corner of the pad. After cleaning, the film will dry in
> about 5-10 seconds. If you use too much cleaner it will leave a haze, but it
> is easily removed by cleaning again with a tiny bit of PEC-12. Replace in a
> new mount. That's it.
> The manufacturer claims it will remove ay non-water soluble material
> without harming the film. The older Kodachrome was coated with a lacquer
> which is where the dirt accumulates. Some of my slides have fungus growth as
> well. On the Kodachromes, it is growing on the lacquer layer and once removed
> there is no trace of fungus. The anscochrome has no lacquer so the fungus is
> on the emulsiom. The PEC-12 will remove the fungus but it leaves a colorless
> area on the film were the fungus has damaged the emulsion.
>
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