It waited 31 years just for me to do this.

  • verdare [he/him]
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    687 months ago

    Haha, this idiot used isopropyl alcohol to clean a CD! What a dumbass!

    Isopropyl alcohol can damage CDs? Shit…

    • subignition
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      267 months ago

      Pretty sure rubbing alcohol isn’t dangerous to the data layer, I think it just damaged the printed label

      • Lem Jukes
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        77 months ago

        That looks like marker ink too, I’m wondering if they only just wiped off a sharpie label on an old writable CD?

        • u/lukmly013 💾 (lemmy.sdf.org)OP
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          7 months ago

          Nope. This one: https://www.discogs.com/release/317952-Alphaville-First-Harvest-1984-92

          Problem is, label and data layer are only separated by thin lacquer on CDs, as I noted in other comment. I am not sure if alcohol also damaged that layer since this was just short-term exposure, but it at least made it more vulnerable. If it did damage the protective layer, then the reflective layer will be allowed to oxidize which will ruin the disc.
          That is why you shouldn’t use permanent markers on CDs. The ink will leech through the label and protective layer over time. They are too thin.

      • Lem Jukes
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        27 months ago

        That looks like marker ink too, I’m wondering if they only just wiped off a sharpie label on an old writable CD?

  • S410
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    327 months ago

    If it’s the data side that got damaged, you might be able to restore the disk, as long as the damage is not major. The actual data is written on a thin film that’s sandwiched between two layers of plastic. The plastic on the outside can be ground down and polished back to a smooth, clean finish. Disk polishers used to be kinda popular back in the day.

  • Franzia
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    7 months ago

    Well, you’ve made a mistake so I don’t have to. Thanks for sharing!

  • @spudwart@spudwart.com
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    57 months ago

    it depends what CD, but its a roll of the dice to use isopropyl alcohol.

    I used it to get the “Blockbuster (Do not remove)” sticker off a ps1 game that i bought at a retro game store. It covered the entire disc. I thought I was going to ruin it. but I decided I had no choice as it was getting caught in my PS2 and would potentially break both if I left it alone.

    It worked out, but it was a scary and calculated risk.

  • WashedOver
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    37 months ago

    I wonder the ratio of readers these days asking themselves what is a CD?

    • hallettj
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      67 months ago

      And also asking, how does it compare to a high-yield savings account?

  • FQQD
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    37 months ago

    Does this damage the label or data side?

    • u/lukmly013 💾 (lemmy.sdf.org)OP
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      7 months ago

      The damage was done from label side, however with CDs there’s just a thin lacquer layer below the label and that’s it.

      Image source
      Which is why you also shouldn’t write onto CDs with permanent markers.

      DVDs on the other hand have a relatively thick plastic layer on top, offering fairly good protection.

      Image source

      Edit: Added white background to 1st image

      • verdare [he/him]
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        77 months ago

        Can’t CDs also have two layers of plastic? I thought it was just cheap CDs that printed the label directly onto the data layer.

  • @Son_of_dad@lemmy.world
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    27 months ago

    I bought some old vynils, one being the wall z which is a mainly white cover, so it had some stains. A micro fiber cloth lightly damped with vinegar made that cardboard cover look like new