D2 writes:
<<I think the statement is that wool can absorb up to 30% of its own
weight in water, and still keep the wearer warm. I don't believe wet
wool can give off heat. Any heat probably comes from the body of the
person wearing it. >>
My information came from _In Sheep's Clothing_, page 17:
"...wool is hygroscopic (absorbs water readily); it gives off heat in
return. In fact, wool can absorb up to one-third its weight in moisture
without feeling damp. Under normal atmospheric conditions, (65 percent
relative humidity), about 14 percent of the fiber weight is water. If
the moisture in the air increases, wool can continue to absorb another
20 percent of its dry weight before the wearer feels damp."
Somewhere I've also read the number of calories that wool has been
measured to give off when it absorbs moisture. I don't remember exactly
and couldn't find it in a quick google, which is why I didn't post that
part.
Holly
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