> I found it interesting that the pad was constructed of Fondag. This is pure
> calcium aluminate cement. The cement and aggregate are both made of the
> same clinker, there's just a difference in size of the particles. The
> aggregate doesn't simply have a physical bond to the cement, there is a
>
I found it interesting that the pad was constructed of Fondag. This is pure
calcium aluminate cement. The cement and aggregate are both made of the
same clinker, there's just a difference in size of the particles. The
aggregate doesn't simply have a physical bond to the cement, there is a
chemical