Bon-Ami (Was RainX, etc.

[Larry C Leung]

Hmmm. BTW, hardness of Silcon Dioxide (i.e. Quart) is 7, will DEFINITELY
scratch glass, no questions asked (it's one of the common mineral
tests!). 

LL - NY

On Tue, 17 Apr 2001 22:29:22 -0400 Kelvin <kelvin at ptdprolog.net> writes:
>Larry C Leung commented...
>
>>I HOPE it's NOT made from Feldspar [referring to Bon-Ami.]
>Check the label on a can of Bon-Ami. The last time I looked it 
>contained 
>feldspar and calcium carbonate if I remember correctly, and has for 
>nearly a century, but I don't recall any indication of hte ratio of 
>one 
>to the other. In any event, it's softer and less abrasive than silicon 
>
>dioxide, the common ingredient in other cleansers. I've never tried it 
>on 
>window glass, in the home or on my car, but I have used it on glass 
>(borosilicate of various manutacturers including Corning, the owner of 
>
>the Pyrex trademark) dishes in the kitchen and in our porcelain 
>bathroom 
>fixture, all with no ill-effect. The same can't be said for common 
>cleansers.
>
>Kelvin Kean
>