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UV Acrylic Question

W.D Quinn Saw Co. - US Made Picture Frame Blades

NKrings

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Jan 11, 2021
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Minneapolis
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Museum Services Inc
Is there a way to tell if acrylic is UV after the protective sheeting has been peeled off?
It is my understanding there is not a way to tell the difference.
Can anyone confirm?

Thank You
NKrings
 

wpfay

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If you have a UV source, say a black light flashlight, and a material of some kind that fluoresces when UV hits it, like copy paper that has optical brighteners in it, you can check the acrylic by seeing how the target reacts to UV light directly from the source and UV light passing through the acrylic. No acrylic will filter all the UV, but the reaction to exposure should be lessened by a UV filtering acrylic sheet.

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NKrings

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Minneapolis
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Museum Services Inc
Thank you Wally Fay,
I did a test using a sheet of CC acrylic and Premium clear covering a sheet of copy paper. I exposed them side by side to UV (black) light in a very dark room. The CC acrylic was darker than the Premium Clear. That lead me to believe more uv was being filtered. This is very promising. Thank you for your guidance.
 
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