"Ernie" wrote in message
om...
"Wolfgang" wrote
*There is a wide range of polymers that include chlorine and/or
fluorine. That a particular polymer or class of polymers
currently
used in the making of fishing lines and containing one or both of
these elements goes by the name of "fluorocarbon" should not be
construed as suggesting that older and more familiar products lack
them.
Looks like we better go back to Silk Worm Gut. 
Ernie
Well, looked at from a geological perspective, or compared to other
ecologically questionable products like plutonium, petroleum and
mercury, or practices such as strip mining or clear cutting, dumping
uncounted centimeter long pieces of long chain polymers in the world's
streams, lakes, and oceans looks a wee bit less horrific.
On the other hand, I've got a mulberry tree!
Wolfgang