Re: carbon process


Steve Shapiro (sgshiya@redshift.com)
Sat, 16 Jan 1999 08:51:46 -0800


Reference the thread below,

Where can these carbon tissue materials be purchased?

SS

Subject: Re: carbon process

>Nze,
>
>I assume, though I may be wrong, you are referring to the Autotype G-35
>tissue (marketed by Bergger?) How many carbon tissues are still made, I
>wonder? Anyway, if we are talking about the same stuff, I can give you
>an answer.
>
>This stuff is made for photogravure and rotogravure. It has an
>orangish-red color which makes it easier to view the progression of an
>etch with daylight conditions. The color is not all that pretty, in
>fact - I find it quite ugly. I've done carbon transfers with this
>tissue when trying to calculate exposures under my UV bank for
>photogravure. I transferred it onto fixed-out, blank, photographic
>paper because it was easiest and sharpest to read the wedges. It worked
>perfect - Sandy gave me a couple of pointers and it was fine. One could
>certainly do transfers with this stuff, but you have to really like the
>color - and I'd bet you wouldn't ;)
>
>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.
>
>And if this isn't the same tissue, I'm interested in hearing more about
>it!
>
>-Adam
>
>
>Nze christian wrote:
>
>> hello all
>>
>> does any one ever try the bergger carbon tissue(G-35)?
>> does it work well?
>>
>> and how to make (a simple way) carbon pigment paper?
>>
>> regards
>>
>> nze christian (france)
>



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