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Re: [ARSCLIST] powder-like substance from open reel tapes
Unless the tape is backcoated- dull, not shiny, I expect the source of the
problem is other than that causing sticky shed.
Steve
----- Original Message -----
From: "John Loy" <jloy@xxxxxxxxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxx>
Sent: Wednesday, September 29, 2004 1:59 PM
Subject: Re: [ARSCLIST] powder-like substance from open reel tapes
> Steve,
> The tape is a TDK 150 from around 1974. So far they don't seem to
> exhibit any audible or physical properties of sticky-shed. Do you think
> this powder is a symptom of sticky-shed that I do not know about? or
> could it be a chemical effect of the polyester backing? thanks for
> getting back to me any information is helpful.
> John A. Loy
> Audio Preservation Engineer
> Southern Folklife Collection
> UNC Chapel Hill
>