Re: oil-print-glyoxal??

From: Giovanni Di Mase ^lt;[email protected]>
Date: 12/27/04-04:48:20 PM Z
Message-id: <BAY21-DAV16985BC797A9E1596C49B2BF990@phx.gbl>

Can I ask you why you are not hardening?

----- Original Message -----
From: "henk thijs" <>
To: <>
Sent: Thursday, December 23, 2004 11:02 AM
Subject: oil-print-glyoxal??

> Since some time I am working with oil-printing; it is much easier to
> handle compared to bromoil (if one has anyway some big negatives for
> cyano or gum...), but what about hardening.
> In principle it is the same way of working compared to gum. Some
> gelatine layers , a dichromate etc.; but no glyoxal,formaldehyde or
> chromealum after sizing (one needs the swelling of the gelatine, so a
> hardening at that stage cannot be done).
> After the inking, I am not sure if the gelatine at the highlights is
> protected against bacterie-growth, there is little or no ink at the
> highlight-areas. I could not find any info in the books.
> Any idea??
> Cheers,
> Henk
> --
> --------------------------------------
> H e n k T h i j s - P h o t o g r a p h y
> photography
> member of F68
> --------------------------------------
Received on Mon Dec 27 16:49:15 2004

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