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Tolulene is probably the best solvent for most adhesives used in masking
tapes. The problem with masking tape is that its construction prevents
solvent migration through the tape (that is what is is designed to do.) Acrylic and polycarbonate have some resistance to tolulene, acetone etc,
but will eventually craze with enough exposure. When presented with this
problem, I usually try to get as much off mechanically (thumb nail or soft
plastic scraper, typed used for body putty application.) Then remove
residue and small shards with tolulene.
If you do have any scratching or crazing, this is my technique for
removing.(Ask me how I got scratches in my windsheild when a cat decide to
climb up to the top)
1. Carefully - sand with 400 wet.
2. Sand with 1000 to 1500 wet.
3. Buff with 3M Extra Cut Rubbing Compound.
4. Buff with 3M Rubbing Compound.
5. Polish with 3M Swirl Mark Remover.
Buffing should be done with a cotton buffing wheel (for small areas I use
a 2" cotton in an angled die grinder) or a good wool bonnet. Not the
wimpy type that an autozone would carry.
Polishing is done with a foam polishing/glazing pad.
Don't dwell buffing or polishing, if a local area is heated up it will craze.
Joe
On Sat, May 19, 2007 4:07 pm, Lehanover@aol.com wrote:
In a message dated 5/19/2007 12:24:18 P.M. Eastern Daylight Time,
marv@lancair.net writes:
Anyone got a suggestion for what I can use to get dried on masking tape
and its adhesive residue removed from some airplane windows? This is on
a Lake LA4 and I suspect the windows are polycarbonate. Any help would
be appreciated. TIA
<Marv>
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