Tuesday, July 15, 2008

[papercreters] Re: Borax

I do not know of any scientific testing data to offer as a difinitive
answer.

Common practice among people using borax in papercrete has been to
add borax at a ratio of about 3% to 5% compared to the amount of dry
paper being used (by weight).

More or less to your particular taste.

(Just an expression. Don't taste it, bleeeeeeeeaaaah.)

I don't know how long that might retard the cement cure time in the
papercrete, and I don't see why it would matter.

--- In papercreters@yahoogroups.com, "Dave S." <Dave.Strait@...>
wrote:
>
> Thanks for this Janosh,
>
> Do you know of any information that would quantify how much Borax is
> necessary for effective fire & bug resistance and how much time
that would
> likely add to cure time?
>
> -----Original Message-----
> From: papercreters@yahoogroups.com
[mailto:papercreters@yahoogroups.com] On
> Behalf Of Janoahsh
> Sent: Friday, July 11, 2008 2:05 PM
> To: papercreters@yahoogroups.com
> Subject: [papercreters] Borax
>
> Borax has the effect of retarding cement set and may be one of the
reasons
> for problems with papercrete. It works well for fire and bug
retardant with
> cellulose alone.
> Janosh
>

------------------------------------

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