Remember that powdered Aluminum is a deadly poison. - T
--- In papercreters@yahoogroups.com, "Robert & Connie"
<babalubird@...> wrote:
>
> Thanks to all for your responses. You saved us the cost of the
> aluminum powder, which I'm sure is not cheap. And set me straight
> that foaming the papercrete would NOT add to the R-value, as I
> mistakenly thought it would.
>
> So, no, no further experiment, at least in that direction, is
> needed. I prefer to learn from others' mistakes than repeat them.
>
> Thank you again, everyone!
>
> Connie
>
> --- In papercreters@yahoogroups.com, Curtis Stewart <dbigkahunna@>
> wrote:
> >
> > Yup, tried the detergent. THe problem is as the water drains,
the
> bubbles are not strong enough to hold up the PC. I did not see any
> change in the shrinkage from detergent vs non detergent. I have
added
> glycerene to the detergent with no change in the final product.
Same
> with aluminum powder. It takes a lot of AL powder to get a
reaction
> with the cement. If you were using a cement rich PC mix, it may
make
> the dried mix a little lighter. But if you are using the
traditional
> 1-1 paper additives only make the cost higher, they do little to
> benefit the end product.I could see using some of the additives
for
> increasing fire resistance, but my experience with additives on
> traditional papercrete has found no benefit. But do not let my
> experience deter you from experimenting. You may find the magic
> bullet.
> >
> >
> >
> > ---------------------------------
> > Looking for last minute shopping deals? Find them fast with
Yahoo!
> Search.
> >
>
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