I've probably said here before that I've never preshrunk paper and
that when I was in full production with tricolors, I could tell just
by the feel of the paper when it would be the right size to recoat.
kt
On Apr 28, 2006, at 3:43 PM, Judy Seigel wrote:
>
> On Fri, 28 Apr 2006, Yves Gauvreau wrote:
>
>
>> I notice the paper I used up to now was changing in size quite a
>> bit. I
>> simply couldn't do more then a single exposure of a 4x5 step
>> tablet on it,
>> this mean a larger negative would be a lot worst.
>>
>
> Yves, any paper in any dimension no matter how well soaked or
> boiled or treated with incantations, will almost certainly change
> size if it's not at the same level of dryness (or humidity) when
> you coat. If the humidity is constant where you live, timing the
> interval between coats may suffice. Or set up some standard
> procedure, which should also help....
>
> Some years ago I tested 4 different papers with & without presoak
> and measured at various stages-- after coating, after drying, after
> developing, etc. The paper could expand or contract throughout the
> process. We only get a "set" dimension by luck, or paying attention
> -- or holding the paper rigid, which is another production.
>
> J.
>
Received on Fri Apr 28 16:52:25 2006
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