Bon-Ami (Was RainX, etc.

[MCTXR4 at aol.com]

In a message dated 04/17/2001 5:14:57 PM Eastern Daylight Time, 
l.leung at juno.com writes:

>  HOPE it's NOT made from Feldspar. On the Moh's hardness scale, it's
>  rated 6.0 in all of it's varieties (potassium, calcium, sodium)
>  [Spaulding and Namowitz, "Earth Science", D.C. Heath and Co.]. Most glass
>  (flint, crown) has a hardness of 5.5. Pyrex is a little harder at 6.0. I
>  don't know what auto glass is, but it's likely to be close. So either
>  auto glass is say, 6.5, or Bon Ami (means Good Friend in French) doesn't
>  really have Feldspar. (Perhaps Flourite (4) or Apetite (5) or something
>  like that). 
>  

If I remember correctly, It's fine ground calcium-something-or-other hence 
their logo of a chick with it's (broken) shell. Has about the same hardness 
as talcum powder, but not as fine a grain.

Mike Torio