Re: gum question
On Thu, 28 May 2009, Loris Medici wrote: I always had better results (due my particular working style and/or materials?) with weak sensitizers; I use only two dichromate strenghts 5% and 2%. (AD, 1+1 gum/pigment+dichromate.) I also have 10% on hands for unusual situations though. Which dichromate is that, Loris -- potassium or ammonium ?????? J.
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