Hot answers tagged silicone
Plexiglas (poly (methyl methacrylate)) is strongly attacked by xylene, one of the solvents in the sealant you selected. I'd expect the sealant to soften the plexiglas and probably also whatever plastic the air conditioner is made of.
Escutcheon = the cover plate used over a hole in a surface that exists to allow a pipe/fitting to go through the wall. Your first picture looks like it's a simple case of the escutcheon needing to be re-caulked. Using a scraper, clean the existing caulk completely from the wall, then apply a new clean bead of bathroom grade white silicon caulk around the ...
By all means, use denatured or isopropyl alcohol to remove all mineral spirits. Go over the entire area a few times with the alcohol on a clean micro fiber cloth, turning the cloth each time to be sure no spirits are being reintroduced to the surface. The surface should be squeaky clean.
Sometimes, I've had success with an eraser: It won't damage tile, but results depend on how porous/grippy the tile surface is. Amazon sells them, so should any local Office Supply or School Supply store.
The silicone will penetrate into the micro fissures on the surface of the stone. It will also be rather hard to get off once you attempt to remove the mats. You can get most of the silicon bead off with a sharp putty knife and/or a razor blade type window scraper. However the part that has penetrated down into the surface fissures will be nearly impossible ...
If you saturate toilet paper with the remover and slap it on your vertical surface it will stick there and hold it against the caulking. Practice a couple times with water to get a feel for the appropriate amount of moisture. Scrape off as much as possible before you start in with the remover though. Just to clarify, you should be using a plastic blade in ...
This works on dried silicone and is pretty non-toxic
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