Re: ink opacity
- Speed Gray--
Thanks very much for all your suggestions!
--- In PPLetterpress@yahoogroups.com, speedgray@... wrote:
> You have several options, depending upon how much effort you want to expend.
> For best results, print at least one pass of the image using opaque white;
> two bumps would be better. Let the ink dry before putting down another "layer."
> This is called dry trapping.
> Next, after the opaque white is dry, print the yellow. Best would be to use
> an opaque yellow. Second best, a transparent yellow over the white. Opaque
> color has a lot of titianium dioxide in it (white stuff) to make the ink opaque.
> You can always tell if you are using a transparent or opaque ink as soon as
> you open the can. The opaque ink will have the same mass color as the color
> you want to print. A transparent ink will have mass color much darker. Like
> opaque yellow looks yellow; transparent yellow looks baby-shit brown. Opaque
> red looks like garnet, etc.
> Hope this helps.
> Speed Gray, APA 736
> Letterpress Green Sheet
> Ada, MI
> [Non-text portions of this message have been removed]