"Invisible" <voi### [at] devnull> wrote in message 
news:4a0d8dc1$1@news.povray.org...
> St. wrote:
>
>>    Erm, no, but while you're doing this experiment, tell me what the 
>> backup tape is made of.
>
> Wikipedia suggests it might be Mylar (i.e., polyethylene terephthalate). I 
> still don't know how to make it disolve though. So far we've tried:
>
> - Acetone
> - Hexane
> - Butyle acetate
>
> We don't have any other really cheap solvents in our lab...
>
> Oh well, I guess I could try using mineral acid to disolve the iron 
> coating. :-S

    Hmm, interesting that acetone isn't doing the job. I think what you 
really need is Cellulose thinners.

       ~Steve~

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