Digital BW, The Print

Hi Mark. Thanks for the info. It's appreciated.
Regards
Duane

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mark MacKenzie"
<mjmackenzie22@...> wrote:
>
> Hi Duane
> 
> <...whereas the Tilex
> <Fresh Shower has Alkylpolyglycoside, which is an environment friendly
> <non-ionic surfactant, along with alcohol as solvent, a chelating EDTA
> <agent to bind heavy metals, and fragrance
> 
> I would stay away from anything containing EDTA if it is to pass
through precision, reasonably fragile metallic components such as the
piezo heads.  EDTA will definitely erode copper, zinc, iron, etc.  Yes
it will be little bits but continued use will accrue and such
precision and intricate things as piezo heads don't need much internal
erosion before the clog from hell arrives or they don't function as
well as they ought to.
> 
> EDTA and its cousins are all part of my art conservation chemical shelf.
> 
> My two cents.
> 
> 
> Mark MacKenzie
> Art Conservator & Wet Plate Photographer
> Alcalde, New Mexico
> 
> [Non-text portions of this message have been removed]
>