Tim,
You're looking for a solvent that might remove at least some of the
dried and hardened linseed oil but not destroy the tape base. The first
thing that comes to mind is linseed oil. Not sure how effective it
would be on dried oil, but it might be a starting point. I've used oils
to remove oil based adhesives from lots of surfaces.
--greg
On 3/27/19 1:58 AM, Greg Schmitz wrote:
>
> Tim,
>
> Ugh, sounds awful. Have you thought about asking about your tape
> dilemma on a conservation list like ConsDistList
> <http://cool.conservation-us.org/byform/mailing-lists/cdl/instruct.shtml>?
> You might also check the CoOL archives
> <http://cool.conservation-us.org/> or equivalent sites in other
> countries. It sounds like you've got the kind of mixed environmental
> contamination problem(s) frequently faced by conservators of various
> stripes. Reminds me of the map that was eventually retrieved, covered
> with oil and solvents, from the bottom of an elevator shaft at a very
> famous library in NYC.
>
> --greg schmitz
>
>
> On 3/27/19 12:29 AM, Tim Gillett wrote:
>> Hi,
>>
>> I've been given a few acetate 7" 1/4" tapes which by the smell of
>> them (as a child I used to oil my cricket bat with it) appear to have
>> linseed oil on them, to varying degrees and probably there for many
>> years. The oil has dried to a glue. Sand has adhered to the tapes in
>> spots. The tapes have been stored in cardboard boxes which are
>> partially soaked in the oil as if having sat flat in a shallow puddle
>> of oil.
>>
>> General (non tape) instructions I found online mentioned removing
>> linseed oil with acetone and ethanol as solvents. I applied some
>> acetone to a short, blank section of tape and the tape was dissolved
>> almost instantly. Does anyone have experience with this problem?
>>
>>
>> Thanks,
>>
>> Tim Gillett
>> Perth,
>> Western Australia
>>
>> ---
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