How does toothpaste do this?

Dec 17, 2009 8 Replies

A customer has splashed toothpaste on the black/white vinyl wall paper in her bathroom. She has washed it .. rubbed it with soap liquid but marks are still there. I imagine it will never shift ... unless someone knows better ?



Mike P


Probably only chalk, but of such a small particle size that it penetrates the impenetrable. Some cleaners do the same on vinyl floors.

wash with mild acid. Vinegar etc.

I thought they used pumice rather than chalk though.

silica these days I understand...

JimK

An angle grinder will shift it.

Toothpaste contains a mild abrasive (maybe even some whitener / bleach, too) so rubbing it onto a surface will abrade it and could leave deposits in the newly roughened areas.

from naturally occurring Diatomite

tim

Well _I_ thought it was kaolin... and only chalk would be touched by the mild acid.

Andy

Well, certainly some toothpastes are still chalk

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