Re: On the effect of florescence [sic]
Re: On the effect of florescence [sic]
- Subject: Re: On the effect of florescence [sic]
- From: Graeme Gill <email@hidden>
- Date: Sun, 06 Mar 2005 18:17:13 +1100
- Organization: Argyll CMS
Armand Rosenberg wrote:
Since I am not in commercial printing, I do not understand why
fluorescing agents are required at all these days. For at-home printing,
there appear to be plenty of excellent papers that do not have such
agents, as far as I can determine. Although, to be totally honest, I
have not tested the inks I use for fluorescence, and the test I
performed on the papers is rather rudimentary.
In looking into this, I not sure I've come across a commonly available
paper free from FWA. As to why, I presume it's all about cost. It costs
a lot to acquire and process very white pulp, while much cheaper
pulp can give a comparable looking result if FWA is added.
Standard copier office paper was notable (for instance), in
having the lowest inherent reflectivity I have come across, combined
with the highest levels of FWA, resulting in the "bluest" appearance
(almost D65 white point under normal sorts of illumination).
Graeme Gill.
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