I ran across this in a site discussing lightweight concretes:
"Concrete may be made by using lightweight aggregates, or by the use
of foaming agents, such as aluminum powder, which generates gas while
the concrete is still plastic."
I also saw one suggesting adding liquid detergent to achieve the
papercrete foam, but I don't see how that would work as I would think
it would settle and compact during the drying process.
Has anyone ever tried either of these techniques? The thing that
worried me about the aluminum powder is that when doing a search on
just this item, "aluminum powder," one said it was highly inflammable
and needed to be handled with extreme caution.
Anyone have any knowledge of aluminum powder or the liquid soap
technique as it pertains to papercete?
Thanks.
Connie
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