HNW - flame testing

Dick Eney dickeney at access.digex.net
Sat Aug 29 19:29:52 PDT 1998


On Sat, 29 Aug 1998, Deborah Pulliam wrote:

> The real key to identifying wool in a burn test is that it will not burn on
> its own -- it will burn as long as you hold a match to it, but when you
> remove the lighted match, it won't continue to burn.
> 
> -- one reason that heavy  wool felt was always used to line firefighter's
> protective coats.

That's what I'd always heard but some of my 100% wool yarn seems to burn
just fine.  Maybe it has to do with how tightly felted it is; loosely spun
yarn might burn more easily than woven cloth. 

=Tamar

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