Re: carbon process


Walt Goettman (wgoettman@mm.wyeth.com)
Mon, 18 Jan 1999 08:00:11 +1008


http://www.autotype.com/Gravure/Grav_r.htm

Here is the Autotype page with all the info on this stuff.

>
> Another factor is the contrast of the tissue. Autotype makes G-25 and
> G-35 one is higher contrast than the other, though I don't remember
> which is which at the moment. The higher contrast one is not suitable
> for gravure from what I understand. Of course, you can modify the
> contrast of these tissues via percentage of dichromate, but get the
> right one to start with if you buy.

G-35 is more contrasty with more of a straight line response in the
shadows. Some feel this is the best tissue for photogravure.

Walt



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