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Re: Degreasing

Dear Robyn,

Could French chalk be the same thing as what I call whiting?  I use that
mixed with ammonia to degrease copper plates, and it works fine.  Another
possibility for degreasing is a paste of either Bon Ami or Ajax cleanser and
water.  Neither of these brands of cleanser will scratch plates, and both
are good degreasers.  Good luck!


At 05:59 AM 11/12/96 +0000, you wrote:
>Dear Book People
>I am sure that among you there are many printmakers who may be in a
>position to help me.  I am making drypoints on a number of
>untraditional plates and am experiencing problems with wiping the
>plate before printing because I am possibly not degreasing them with
>the appropriate material.  Would you have any solutions as to how to
>degrease x-ray plates?  slides?  aluminium tin can plates?  and
>linoleum.  For the lino I have been using neat ammonia which has
>worked up to a point, but is kind of unpleasant and dangerous.
>Also, I am in the process of running out of my supply of French Chalk
>which I have used in the past for degreasing copper and zinc plates,
>mixed with ammonia.  What is the technical name for this and would I
>be able to get it from a hardware store or something similar.  The
>art equipment shops in my vicinity are not exactly comfortable or
>knowledgeable about the more obscure printmaking foibles.
>Much obliged.
>Robyn Sassen

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