[Shop-talk] removing OLD duct tape adhesive from a windscreen

[Tim .]

Yes, it was not a true apples to apples comparison. Because kerosene is so much cheaper than the  3M stuff, it would not have been cost effective to soak the rags in the 3M product. But, I will add, while the 3M didn't immediately do anything, the kerosene did start to soften the hardened adhesive almost immediately, at least a little. When I noticed this, I decided to do the rag soak.


________________________________
From: Shop-talk <shop-talk-bounces at autox.team.net> on behalf of Bob Spidell <bspidell at comcast.net>
Sent: Friday, September 15, 2017 12:50 PM
To: shop-talk at autox.team.net
Subject: Re: [Shop-talk] removing OLD duct tape adhesive from a windscreen


Did you 'cover the surface in rags' then soaked with the 3M product?  If not, then it's not an 'apples to apples' comparison.   Soaking rags, so the solvent doesn't evaporate before getting a chance to work, is a good idea.  I think a lot of solvents--the 3M product included--would work better with this technique.  What may work even better would be to apply the solvent, then put 'saran' wrap over it to prevent evaporation.


I do apologize for the link to the 3M aerosol; 3M comes in pint cans but I posted the link to the aerosol because it was at WalMart, which I felt might be a convenient place to buy it (I only saw it on the shelf at auto parts stores).  If you didn't use the whole can keep it around; it does work well on a lot of glues; esp. the 3M upholstery adhesive--aka 'yellow snot'--which is often used on upholstery and seals.  It also works well on Weldwood 'Landau' adhesive, which appears, and smells, very similar to the yellow snot.


Bob

On 9/14/2017 3:21 PM, Tim . wrote:

Thanks for the replies all. The 3M stuff didn't touch it. $20 waste of money.


The winner was covering the surface in rags and soaking them with kerosene for a half  hour or so. I then sprayed MarineClean on small areas at a time, scrubbed with rag and paper towel and the crap slowly came off. Two hours later I am about 98% done.


tim


________________________________
From: Shop-talk <shop-talk-bounces at autox.team.net><mailto:shop-talk-bounces at autox.team.net> on behalf of Tim . <tims_datsun_stuff at outlook.com><mailto:tims_datsun_stuff at outlook.com>
Sent: Wednesday, September 13, 2017 5:37 PM
To: Shop Talk
Subject: [Shop-talk] removing OLD duct tape adhesive from a windscreen


Earlier this year we added a handful of Roadsters to our stock. On the one derelict that I am currnently salvaging, the PO completely coated the inside and outside of the windscreen in grey duct tape (would anyone have any idea why becasue I am frellling baffled by this one!). I removed the tape (well, the outer plasticy layer anyway) but all the adhesive stayed on the windscreen as a hard layer of fuckmehardintheasscusyouarescrewedandwillnevergetthisshitoff dreck.


I put GooGone on a spot about two hours ago and that spot is still hard.


I am wondering if there is something that might work better for what is most likely 40+ year old duct tape adhesive?


I obviously can't use any sort of aggressive mechanical removal since it is glass.


Help!

Thanks

tim





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