Re: [ARSCLIST] Record Gunk

[Steven Smolian <smolians@xxxxxxxxx>]

My suggestion is to leave it well sleeved and uncleaned.  That way, removing 
the surface white stuff doen't unseal the now black surface to exude more 
whire stuff.  Only clean before copying.

Steve Smolian

----- Original Message ----- 
From: "David Lennick" <dlennick@xxxxxxxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxx>
Sent: Wednesday, October 04, 2006 3:37 PM
Subject: Re: [ARSCLIST] Record Gunk


> Christie Peterson wrote:
>
> > We have a 33 1/3 rpm record from 1958 with what can only be described as
> > white gunk all over the surface.  I'm looking for diagnoses and/or
> > advice about what to do with it (other than don't play it, which is
> > impossible in its current condition anyhow).
> >
> > I've posted pictures here:
> > http://abacus.bates.edu/Library/aboutladd/departments/special/Disc.jpg
> > http://abacus.bates.edu/Library/aboutladd/departments/special/GunkUpClose.jpg
> > http://abacus.bates.edu/Library/aboutladd/departments/special/Sleeve.jpg
> >
> > We rubbed a small amount of the stuff off from the blank surface near
> > the label (visible in the pictures).  It came off fairly easily, and had
> > a waxy texture.
> >
> > This disc has been stored alongside a number of others that are all
> > fine, so I'm guessing this is something to do with the initial
> > manufacturing process, but not sure.  Based on the label, I wouldn't be
> > surprised if this was some sort of instantaneous recording disc.
> >
> > Thanks!
> >
> > --
>
> Does it feel as if it has an aluminum base and does it have at least one 
> extra
> hole visible under the label (possibly 3)? If so, it's definitely an
> instantaneous disc and these often turn white, from palmitic acid exuded 
> from the
> lacquer coating. Windex (original, Blue, no generic imitations) works on
> these..try some on a blank portion of the disc if there is one. Shpritz 
> on, wipe
> off, rinse with distilled water. And hope that cleaning the disc doesn't 
> reveal
> flaking of the lacquer coating.
>
> Wrote this before looking at the image..if I had, I'd have seen the word
> "Soundcraft" on the sleeve behind the disc, which confirms everything I 
> wrote
> above. Soundcrap discs are notorious for this stuff.
>
> dl
>
>
> --
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