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Re: [ARSCLIST] CD markings
At 05:11 PM 9/30/2004 +0000, Don Cox wrote:
On 30/09/04, Mike Richter wrote:
> It is not appropriate to assume that the alcohol in the ink is the
> only culprit. In two cases with which I'm familiar, silk-screen ink
> itself migrated through the acrylic lacquer.
Which component(s) of the ink?
Familiar does not mean intimate.
In one case (Nuova Era), the black (silk-screen) print on the top of the
disc can be read in the corrosion visible from the bottom. In the other
(RCA / BMG), a 14-disc set was recalled when just-the-right-red pigment was
found to migrate through the acrylic lacquer and to oxidize the aluminum.
I suppose that if one were having the archival discs pressed, one should
invest just a bit more in gold or platinum instead of aluminum metallizing.
Mike
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mrichter@xxxxxxx
http://www.mrichter.com/