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Old 11-30-2007, 11:37 AM   #1
tjtile
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Removing stains from ceramic floor tile

I am trying to remove stains which were caused by dripped insecticide during a tenting for termites. The drops seem like they have chemically burned the surface with a whitish powder residue forming on top. I tried scotchbrite type scrubbees and they seemed to work on some of the smaller droplets but not on the bigger quarter sized ones. They keep reappearing.

This is for a friend of mine who is a good guy and helps alot of people.
Any suggestions will be appreciated.

Thanks
Tom
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Old 11-30-2007, 12:26 PM   #2
flatfloor
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Tom, I'm going to move you to the cleaning and restoration forum. In the meantime can you find out the chemical composition or at least the name of the insecticide?
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Old 11-30-2007, 06:53 PM   #3
doitright
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Hi Tom

I'm with Jim. The more info the better. I also recommend him to cease using the green scotch brite pads, as they can possibly scratch the surface.
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Old 12-07-2007, 07:08 AM   #4
tjtile
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Chemical is called Vicane by Dow

chemical name is Sulphuroflouride. Any help will be appreciated.
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Old 12-07-2007, 11:33 PM   #5
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Quote:
The drops seem like they have chemically burned the surface with a whitish powder residue forming on top
Vikane is a neuro-toxin gas used as a fumigant. Its combined with another gas that acts as a warning to get out if your exposed... that second one is essentially tear gas... both nasty toxic.... however, what your description sounds like is a strong acid reaction... don't know the chemistry of it (since the possible culprit is a gas) but the possibility of an acid compound forming always exists.... could be damage that won't fix... could be a buffing wheel and polishing compound will take it out.....if it just comes back after you try to clean it with a pad it sounds etched..... no matter what those tiles may never be the same.
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