also tested two Smartbuy CDs (paper bag) that were stored in the same place of dvds and cds both had faults and read errors [/QUOTE]
Storing in paper bags is a bad idea,as the disc has contact with a chemically treated surface.
[QUOTE=retrogamer15;2774011] the cmc says 40 years in 25 Â° C 50% RH without light (put the discs in box) the cmc lie or truth?[/QUOTE]
You’re looking for certainties and absolute values,but no matter how high your desire for 100% confirmation is,no-one,and I mean that literally,can give you a correct answer for your queeste…
All these predicted lifespans of optical media are ASSUMPTIONS,based on labtests and realtime experiences of the used materials,but no living person on earth can guarantee such claim until those 40 years passed by…I know it’s hard,but adopt and learn to live with it…