Re: [ARSCLIST] Delamination on Aluminum base laquer disc

[David Lennick <dlennick@xxxxxxxxxxxx>]

And then there's Delaminations of Jeremiah (Bernstein's Symphony #1).

(Duck, Lennick!)

Marlan Green wrote:

> Please be careful when applying heat to lacquer discs. The lacquer can ignite at high temperatures. I would advise against using a heat gun.
>
> Marlan Green
>
> Marlan Green
> Audiovisual Preservation Specialist
> Conservation Division
> Preservation Directorate
> Library of Congress
>
> 202-707-1541
>
> >>> Graham Newton <gn@xxxxxxxxxxxxxxxxxxxxx> 06/26/06 3:28 PM >>>
> Now for something completely different.... here's a real twist:-
>
> Has anyone established a workable method to cause lacquer to delaminate from
> the aluminum base?  This would be done using a scrap lacquer disc and only for
> the purpose of recovering the aluminum base cleanly and intact.
>
> Methods like pouring boiling water on the lacquer don't work consistently... it
> seems that the lacquer either sticks like glue or is easily prompted to
> separate, but it isn't consistent across the surface or two sides of the the
> same disc!
>
> Possibly heat carefully applied with a heat gun?
>
> Does anyone have any other ideas?
>
> ... Graham Newton
>
> --
> Audio Restoration by Graham Newton, http://www.audio-restoration.com
> World class professional services applied to tape or phonograph records for
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