Re: Dichromate Strength For Gum
Virginia Boehm (firstname.lastname@example.org)
Sun, 11 Jun 1995 05:25:29 -0700
I use 2% dichromate (either ammonium or potassium) for gum and other
>colloidal printing (except carbon: change of dichromate strength
>contrast for carbon), including photo-silkscreen, and have always
>why everyone else seems to use "saturated" solutions, which come to 13
>15%. My printing times are quite short, and see no reason to increase
>strength of the sensitizer for speed (2 to 4 minutes with the NUARC).
>I use pottasium (OK _ can't spell!) dichromate mixed 25 grams to 100
ml's of distilled water. It produces a saturated solution. Never
thought about using a non-satuarated one. Who else has tried the
non-saturated variety? Results?