What is Lyrofoam?
Answer:
The only piece I could find was the it be some form of dressing used in tracheostomy's:
Lyrofoam sterile tracheostomy dressing
ref: http://72.14.209.104/search?q=cache:vsh3...
furrow (find on this page) lyrofoam (bottom of the web page)...
But what it is made out of I could not find :(
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