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Hi Tim, Run tests first. Also you might want to try to ask somebody at National Film and Sound Archive conservation lab for an opinion <https://www.nfsa.gov.au/preservation>. Good luck! --greg schmitz On 3/27/19 18:57 PM, Tim Gillett wrote: > Thanks Martin, > > Yes the Linseed oil soak treatment - for an unspecified period - plus > a rinse with Ronsonol (it's branded here in Australia as Shellite and > I've used it for many years for cleaning) may be a good approach. I > might first obtain some Linseed oil and experiment with solvents to > dilute/remove it before doing anything with the tape. The tape is part > of a set of three reels of the final ceremony of the 1962 Commonwealth > Games held here in Perth. It was a big event in the life of our city. > The other two (also Acetate) tapes must have been stored elsewhere as > there is no trace of contamination on them and they will transfer well. > > Thank for the tips, > > Tim Gillett > Perth, > Western Australia > > ----- Original Message ----- From: "Martin Fisher" > <[log in to unmask]> > To: <[log in to unmask]> > Sent: Wednesday, March 27, 2019 10:01 PM > Subject: Re: [ARSCLIST] Linseed Oil tape contamination > > >> I always turn to Ronsonol lighter fluid as a good place to start >> since it's good at most goo applications and doesn't, of itself, >> leave a residue. If that doesn't work the linseed oil idea seems >> worth a try then following up with the Ronsonol for final cleanup if >> needed. My last resort is a careful application of alcohol but this >> sometimes is detrimental to the binder. Use alcohol with caution. If >> the acetate base is then prone to brittleness or curling try >> rehydrating (method available upon request) before transfer. >> >> Martin >> >> -----Original Message----- >> From: Association for Recorded Sound Discussion List >> <[log in to unmask]> On Behalf Of Tim Gillett >> Sent: Wednesday, March 27, 2019 6:22 AM >> To: [log in to unmask] >> Subject: Re: [ARSCLIST] Linseed Oil tape contamination >> >> Thanks Greg, interesting idea to use linseed oil. I guess it would >> take some time and it would all need to be in a sealed container to >> prevent drying out of the oil. Thanks also for the other discussion >> list links. >> >> Tim. >> >> >> >> ----- Original Message ----- >> From: "Greg Schmitz" <[log in to unmask]> >> To: <[log in to unmask]> >> Sent: Wednesday, March 27, 2019 6:04 PM >> Subject: Re: [ARSCLIST] Linseed Oil tape contamination >> >> >>> 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 >>>>> >>>>> --- >>>>> This email has been checked for viruses by Avast antivirus software. >>>>> https://www.avast.com/antivirus >>