RE: Polymer Plate 80% screen Weirdness

Does the talc cause a problem with the vacuum pump? After working so hard to
keep dust off negatives and the vacumm frame for so long, seems scary to
actually put talc (dust) on someting.
Robert N.

> ----------
> From: Ender100@aol.com
> Reply To: alt-photo-process-l@sask.usask.ca
> Sent: Monday, February 16, 2004 1:54 PM
> To: alt-photo-process-l@sask.usask.ca
> Subject: Re: Polymer Plate 80% screen Weirdness
>
> Jon,
>
> I don't blame you for those concerns...I would check around and ask what
> people have used to successfully avoid Newton's Rings when burning polymer
> plates. I would worry about the talc clogging the vacuum pump.
>
> Mark Nelson
> In a message dated 2/16/04 11:11:54 AM, jon@terabear.com writes:
>
>
>
>
> I think this is kind of what I'm seeing, only there are dozens of
> them,
> and very small, about the diameter of a pin head and larger. I'm
> getting
> a fair amount of pressure, but maybe the pad needs to be replaced.
>
> Don't I need pure talc, or will perfumed baby powder be okay? I'm a
> little concerned about what affect fragrance and other additives
> might
> have on the plate and/or film.... Hell, I'm a little concerned what
> affect talc will have inside my frame vacuum!
>
> Jon
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Received on Mon Feb 16 13:51:14 2004