--- In papercreters@yahoogroups.com, sire@... wrote:
>
> Attached to this email is a picture file of the various mixes and
> ratios of perlite to cement. If you don't get emails from this
> group you won't see it, but you can go here to see and read:
Interesting read. Do you have anything that gives R values? Or an easy
way to convert the thermal conductance to thermal insulance? I found:
http://en.wikipedia.org/wiki/Thermal_conductivity
but physics has never been my strong suit, especially early in the
morning.
- Ernie
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