I have bought some rare (but new) CD's from the internet for cheap, understandably they are of low quality they of course don't have any scratches but I suspect they have a faulty reflective layer although there is no visible damage it looks rather faded, EAC can rip 3 of 5 without any errors but I'm still left with 2 CD's which won't rip in EAC or Plextools with out errors (plextools=450+-)
Now I wanted to know if anyone here has any tips on improving or repairing the reflective layer of these CD.