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Digital BW, The Print

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Re: [Digital BW] H. Photo Rag 308 Sun Exposure Results

2002-03-15 by Robert Rex

At 09:52 AM 3/15/02 -0500, you wrote:
>   ""<> wrote:
> 
>>""<> wrote:
>> 
>>> German glass installed at the factory)
>> 
>> 
>>  I'll bet
>> 
> 
> 
> Sorry, accidentally hit the return key and sent the message prematurely.
> What I was going to say was that I'd bet that it could have some UV blockers
>  One of my cars had some kind of UV protection...
> 
> Lawrence
> ----------------------------------
> Lawrence W. Smith Photography
> http://www.lwsphoto.com
> lsmith@...
> ----------------------------------

Mike,
This is correct.  While your results are interesting (and i had a customer
who had a similar experience with Museo in the TX sun--although i don't
think the paper turned "whiter.")  Most glass for cars do, in fact, have
some UV inhibitors in them.  a better (informal) test would be to place a
sheet under non-uv glass or directly under sunlight (ie, without glass).  

This is generally how laboratory fade tests are done.

Sincerely
Robert Rex
Crane & Co
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