[78-L] Edison Diamond Discs - Need Cleaning Advice

[Dan Van Landingham]

I've tried Windex and it trashed the surface of the records and the one record 
cleaner I tried was just as
bad.If ethyl alcohol works,what about a cheap vodka?I prefer gin but I save that 
for myself.I'm not a
vodka fan.




________________________________
From: Ron L'Herault <lherault at bu.edu>
To: 78-L Mail List <78-l at klickitat.78online.com>
Sent: Sat, October 23, 2010 5:59:29 PM
Subject: Re: [78-L] Edison Diamond Discs - Need Cleaning Advice

I've put Windex on a DD runout and waited.  I did not see any surface change
on a macro level.  I did not do microscopy.

Ron L

-----Original Message-----
From: 78-l-bounces at klickitat.78online.com
[mailto:78-l-bounces at klickitat.78online.com] On Behalf Of Philip Carli
Sent: Saturday, October 23, 2010 7:04 PM
To: 78-L Mail List
Subject: Re: [78-L] Edison Diamond Discs - Need Cleaning Advice

Except DDs have no shellac, but are laminated with phenolic resin --
plastic.  Has anyone investigated in detail the effects of Windex (or other
glass cleaners) on it?  Alcohol (as Edison literature originally
recommended) only works on records that have been reasonably well kept (as
Edison lit originally assumed), at least in my experience.  Heavy grime and
grease seem to resist alcohol remarkably well. 
________________________________________
From: 78-l-bounces at klickitat.78online.com
[78-l-bounces at klickitat.78online.com] On Behalf Of Malcolm Rockwell
[malcolm at 78data.com]
Sent: Saturday, October 23, 2010 1:13 PM
To: 78-L Mail List
Subject: Re: [78-L] Edison Diamond Discs - Need Cleaning Advice

Alcohol, the purer the better. I use methyl, but isopropyl or Everclear
(ethyl - the kind you can drink) will do just as well. As long as the
purtity approaches 100% (200 proof).
Rubbing alcohol and denatured alcohol both contain water which will be
left after the alcohol has evaporated, and that will never do.
Windex is no good for shellac, period.
Mal

*******

On 10/23/2010 7:06 AM, Dave at Audio Tech Transfer wrote:
> Greetings,
>
> I have about 100 Edison Diamond Discs, ranging from fairly clean to
filthy.  I've done some research on the web and find conflicting advice and
opinions (although virtually everyone cautions against using water):
>
> -Denatured alcohol
> -Rubbing alcohol
> -Windex
> -NO alcohol!
>
> So, I'm confused.  What to do?  Some of the discs need nothing more than a
dust-off with a carbon fibre brush.  Others will need aggressive cleaning.
>
> Suggestions?
>
> Thanks,
> Dave "Cactus Cowboy"
> _______________________________________________
> 78-L mailing list
> 78-L at klickitat.78online.com
> http://klickitat.78online.com/mailman/listinfo/78-l
>

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