Re: Spray treating OHP for use with KM73 plates

[SusanV <susanvoss3@gmail.com>]

WOW is that cool or what?  Thanks, Jon for testing all those things!

I had some success with my "foamcore window" technique initially, but
then mixed results since then.  I'll be getting some Krylon tomorrow
and trying that!!!!

smiling,
Susan

On 3/14/07, Jon Lybrook <jon@terabear.com> wrote:
> Hi All,
>
> I tested about 6 different spray products to try and come up with a good
> alternative to using baby powder with Pictorico OHP and the KM73
> Printtight plates to mitigate air pockets and light patches in the image
> when using a vacuum frame.  Thanks very much Susan Voss for the idea!
>
> What I found was 2 light passes with Krylon Crystal Clear Acrylic
> Coating 1303 (it's glossy and perm) on Pictorico OHP (normal, not Ultra
> which I haven't tested) provides enough texture to avoid having to use
> baby powder.  It adds just about 1% density on average to the Pictorico
> compared with 4% or more from other products and doesn't seem to
> introduce any noticeable mottling to the final print.  Just make sure
> there's no dust on the positive before you treat it, and allow it to dry
> in a dust-free area, or whatever lands on it will be stuck to it
> forever, of course.
>
> I also tried Krylon Crystal Clear Matte, Rustoleum satin clear finish,
> Krylon Workable Fixatif, and a Shuregarde product just for kicks (UV
> inhibiting lacquer -- duh).  Didn't try any hairspray products, though
> that could be something to try too (thanks Jan).
>
> Hope that helps.  If anyone else decides to try the Krylon Crystal Clear
> 1303, or has better results with something else, be sure to post it.
>
> Thanks!
> Jon
--
susan
gravure blog at www.susanvossgravures.blogspot.com
website www.dalyvoss.com