With lime which has an entirely different chemical reaction......
presumably type S or similar....... the keep time should be very long,
and strength continues to develop over time as the calcium hydrate
gradually changes back to calcium carbonate (limestone).
H.W.
ken bolin wrote:
> Well I use lime, cement and cactus juice in my mix. It seems to stop bugs, mold and help make it stronger. As for how long can you wait to use it in it's finshed form, I have had a mix in the mixer as much as 5 hours before I got all out. I have not seen any problems. Now I have not cleaned out the mixer properly a few times and by the next day the pc even if it was sitting in water did not form or stick well in use.
>
> Ken
>
> Ernie Phelps <eepjr24@gmail.com> wrote:
> --- In papercreters@yahoogroups.com, Stone Tool wrote:
>> PC slurry with the cement in....... can be kept for how long?
>
> In my experience, a few hours. Never tried to measure it exactly.
>
>> What changes are there in the set properties of PC with Portland
>> Cement in it after 4 hours or so as compared to fresh?
>
>
>
> ---------------------------------
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