Tuesday, January 22, 2008

Re: [papercreters] Re: Aluminum Powder to make foamy Papercrete??????

Many would disagree with that. Look at http://www.nurl.us/7pl for references to links between aluminum and renal failure and Alzheimer's', to name a couple. I don't use aluminum cookware, or drink from aluminum beverage cans (yes, I know they are lined). Call me over cautious.

Spaceman

Howard Rich wrote:

NO TRUE! Aluminum Powder is not toxic!
Howard

----- Original Message ----
From: sustcomm <sustcomm@yahoo.com>
To: papercreters@yahoogroups.com
Sent: Tuesday, January 22, 2008 1:54:22 PM
Subject: [papercreters] Re: Aluminum Powder to make foamy Papercrete??????


Remember that powdered Aluminum is a deadly poison. - T

http://sustcomm.com 



--- 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.
> >
>





Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/papercreters/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/papercreters/join
    (Yahoo! ID required)

<*> To change settings via email:
    mailto:papercreters-digest@yahoogroups.com
    mailto:papercreters-fullfeatured@yahoogroups.com

<*> To unsubscribe from this group, send an email to:
    papercreters-unsubscribe@yahoogroups.com

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/


__._,_.___

Your email settings: Individual Email|Traditional
Change settings via the Web (Yahoo! ID required)
Change settings via email: Switch delivery to Daily Digest | Switch to Fully Featured
Visit Your Group | Yahoo! Groups Terms of Use | Unsubscribe

__,_._,___