Now *that* makes sense! Thanks, Joe.
Jim
On Sun, 15 Oct 2000, Joseph B. Reid wrote:
> Gene Mechtly wrote in USMA 8577:
>
> > My personal opinion is that many of ASTM standards are rejected by
> >the ISO because they are based on non-SI units, rather than because of
> >differences in the adoption procedures of the ASTM (and ANSI) versus those
> >of the ISO, as James would have us believe.
> > For example, the R numbers in the U.S. for the thermal resistance
> >of insulation materials are generated by thickness in inches and area in
> >square feet, making U.S. R values not acceptable as ISO standards.
> >There are many other examples of ASTM standards which are not based on SI,
> >and which are, therefore, not acceptable to ISO member nations.
> >
> >Gene.
>
>
> In Canada we use a metric version of R value, which we call RSI value. It
> is square metre degree Celsius per watt (m2.�C/W). We call it thermal
> insulance.
--
James R. Frysinger University/College of Charleston
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