Digital BW, The Print

Clayton et al,
	Thanks for the information.  It really helps a great deal to clear up 
the issue.  I'll be sorting through it all and looking at my options.

allan

Clayton Jones wrote:
> Hello Allan,
> 
> 
>>why is it that EEM, with OBAs, turns yellow, but that you suggest 
>>that this paper, also with OBAs, is more archival?
>>...is the yellowing a result of solely the OBAs, or because of some 
>>other characteristic of EEM in particular?  If it's from the OBAs, 
>>does that mean that all papers with OBAs will yellow, either at all 
>>or as much as EEM?
> 
> 
> I don't think EEM yellows because of OBAs (unless it uses really
> crummy ones).  It yellows (I'm pretty sure) because it contains
> lignens and may also not be completely acid free.  Whatever the
> reason, it does it with alarming swiftness.  There are many archival
> (acid and lignen free) papers with OBAs that don't change noticeably,
> even after several years unprotected by glazing under nearly constant
> light.  The subject of OBAs is an ongoing controversy with
> disagreement even among "experts".  There is more information about
> this at the bottom of the "Great Paper Chase" article at the web link
> below.
> 
> 
> 
> 
>>I realize that I am using "archival" incorrectly - EEM doesn't 
>>actually fade, right? 
> 
> 
> Right.  Papers don't fade, inks fade.  So we have to be clear which we
> are referring to in our discussions.  If we speak of a print fading
> we're usually talking about an ink problem, although a given ink may
> fade at different rates on different papers.  Clear as mud? <g>
> 
> 
> Regards,
> Clayton
> 
> 
> Info on black and white digital printing at    
> http://www.cjcom.net/digiprnarts.htm
> 
> 
> 
> 
> 
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