gamer87 Posted August 26, 2020 Share Posted August 26, 2020 Does cardboard reflect or absorb UV present in indirect sunlight? Link to comment Share on other sites More sharing options...
John Cuthber Posted August 26, 2020 Share Posted August 26, 2020 Given the yellowish colour of that card, I would say it will absorb UV . If it was white card (or maybe blue) I'd expect it to reflect it. The problem is that you can't see UV so it's hard to tell Link to comment Share on other sites More sharing options...
gamer87 Posted August 26, 2020 Author Share Posted August 26, 2020 The inside of the box because the outside has boxes of different colors Link to comment Share on other sites More sharing options...
studiot Posted August 26, 2020 Share Posted August 26, 2020 Indirect sunlight ? Link to comment Share on other sites More sharing options...
gamer87 Posted August 26, 2020 Author Share Posted August 26, 2020 yes, clarity in home Link to comment Share on other sites More sharing options...
studiot Posted August 26, 2020 Share Posted August 26, 2020 (edited) 1 minute ago, gamer87 said: yes, clarity in home I asked because any indirect sunlight must be reflected off something. As a consequence indirect sunlight may contain reduced, greatly reduced or even on UV. Edited August 26, 2020 by studiot Link to comment Share on other sites More sharing options...
gamer87 Posted August 26, 2020 Author Share Posted August 26, 2020 lights enter in home no dirrect sunlight, enter and contact this cardboard box trflect in cardboar and go inside box or not? Link to comment Share on other sites More sharing options...
John Cuthber Posted August 26, 2020 Share Posted August 26, 2020 None of that box will reflect UV well. Did you understand this bit of what I said? 26 minutes ago, John Cuthber said: If it was white card (or maybe blue) I'd expect it to reflect it. Link to comment Share on other sites More sharing options...
gamer87 Posted August 26, 2020 Author Share Posted August 26, 2020 I was referring to the color of the inner part of the box because all the cardboard boxes I own have the same internal color but it varies in the external colors so the UV reflects, is it abbreviated by the box? what happens? Link to comment Share on other sites More sharing options...
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