Digital BW, The Print

Thanks for your reply Paul,

That makes sense, as you usually do.

Cheers

Jules

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark" 
<paul.roark@v...> wrote:
> Jules,
> 
> >Good and appreciated  discussion about spraying the image side of 
the 
> >print but . . is it wise to seal the back also? 
> 
> >Not with the dmax enhancing techniques of course but to stop 
> >absorption of other nasties like moisture, lignin and whatnot?
> 
> The answer to this is likely to depend on the paper and probably 
other
> factors.  
> 
> For papers like Epson Enhanced Matte that have acids in them, the 
more they
> can breathe the better.  Much of the acid will escape into the 
air.  I've
> read library conservation information that indicates old books with 
acidic
> materials in them can deteriorate up to 10 times as fast if they 
are sealed
> in a container or encapsulated so that the acids cannot escape.  
(For
> framing EEM it's probably best to use highly buffered matte boards.)
> 
> For cotton papers protecting the image and paper from airborne 
oxidizers and
> pollution seems like it could be beneficial.  However, I've 
wondered about
> the slow evaporation of the non-water components in the inkjet 
fluids.  This
> is what causes the fogging of glossy prints.  With cellulose 
papers, most of
> those other substances seem to latch onto the cellulose and just 
stay there.
> At any rate, I can imagine that there may be arguments that the 
paper should
> be allowed to breathe. 
> 
> Paul
> www.PaulRoark.com