Welcome to the wonderful world of Binder Hydrolysis. Google that topic for
more information. It is a ubiquitous problem with back-coated tapes of
certain manufacturers produced from the mid-seventies on. Desiccation is
the usual remedy.


On Tue, Aug 14, 2012 at 7:07 PM, Jan Myren <[log in to unmask]> wrote:

> HI!
> Have by now started to play old tapes and found that the older the better.
> The tapes form the 60's & 70's of Agfa, Basf, Scotch etc plays just very
> fine.
> Some tapes from the 80's & 90's are however very troublesome, or just
> impossible to play. Among them are Ampex and Agfa. The tape itself acts
> like a "glue" and makes the whole tapemachine stop.
> Are there any list of such trouble tapes, so I can avoid those brands and
> types when purchasing tapes second hand?
> All the best
> jan

Dennis D. Rooney
303 W. 66th Street, 9HE
New York, NY 10023