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Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

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Re: Lyson Print Guard or Krylon Kamar on Hahnemühle WT?

2003-07-05 by Antonis Ricos

> I've tried spraying 1 print. What do i look out 
> for to see that its working or providing better protection for the 
> surface? 


Derrick,

you can test for abrasion after the coating has dryed. Better yet, you can make 
two prints, coat one and put both in the sun and then watch what happens. If 
you have a densitometer, take readings of the white, black and some gray 
midpoints and see if they shift over time in a different manner for the coated vs 
uncoated prints.



> I probably need to get a face mask. A few whiffs of the spray and i 
> was feeling a bit woozy.

Not to make light of it, but if you are in Singapore there should be plenty of 
those around. Seriously, don't  breathe the stuff. Work outside if you can 
because the spray may remain suspended longer than you think (unless you 
have a spray booth with active exhaust ventilation).
If you can find a satisfactory way to coat by rod or foam brush, choose it over 
spray. We have had extensive discussions on all this here, so maybe you can 
dig up some info in the list archives.

Antonis

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