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28118Re: [midatlanticretro] Removal Suggestions? - Black Antistatic Residue from the 70's

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  • Dave McGuire
    Nov 16, 2012
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      DeOxit dissolves metallic oxides...not sure if it'd handle the goo
      left behind by decomposing static-dissipative foam. I'd try alcohol first.

      -Dave

      On 11/16/2012 10:49 AM, B. Degnan wrote:
      > deOxit might work
      >
      >
      > -------- Original Message --------
      >> From: "Burning Image" <visual_storytellers@...>
      >> Sent: Friday, November 16, 2012 10:40 AM
      >> To: "midatlanticretro@yahoogroups.com"
      > <midatlanticretro@yahoogroups.com>
      >> Subject: [midatlanticretro] Removal Suggestions? - Black Antistatic
      > Residue from the 70's
      >>
      >> I recently managed to find a NIB computer kit that arrived in today's
      > mail. After carefully opening it, I noticed the 6800, 6821 and 6811 chips
      > were sitting on pads of black antistatic foam. Flashing back a couple
      > decades, I thought about an 1861 chip that had its pins eaten by this
      > stuff.
      >>
      >> I managed to get the chips out of the crumbling material, but some of it
      > is still clinging to several pins. As it already managed to devour the
      > gold plating on some pins, I don't want to apply too much pressure to
      > remove the remaining residue.
      >>
      >> Any suggestions on how to clean the pins? It doesn't appear to be water
      > soluble.
      >>
      >> TNX!
      >>
      >> Cory - WA3UVV
      >
      >
      >
      >
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      --
      Dave McGuire, AK4HZ
      New Kensington, PA
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