I have been encountering random cassette tapes recently, mainly made in the
Pacific Islands on random stock, which have benefited from baking for 12
hours after squealing.
They all played through without issue.
Hope this helps.
On Fri, Jun 8, 2018 at 7:13 AM, Eero Aro <[log in to unmask]> wrote:
> Hi All
> Unfortunately I haven't had time to follow this thread. Still, I'd like to
> tell briefly about the other thread I started almost two months ago.
> I tried desiccation of Compact Cassette tape with silica gel backs. I now
> have two Basf
> LH Super red label cassettes in two air tight plastic freezing boxes. One
> of the tapes
> is in one box as such and the box is filled with silica gel bags. The
> other cassette tape
> has been removed from the shell and is in the other box with silica gel
> Unfortunately I haven't had the time to check the tapes. I will try to
> find some time and
> play the tapes to be able to tell if the silica gel treatment was any good.
> When I first time tried this desiccation process, just after 7 days of
> silica gel
> treatment the tapes played without squealing for about 30 minutes.
> Without the desiccation they played only about 30 - 60 seconds before they
> started to
> squeal. The squealing affects the audio badly.