Keith said:
"You're just arguing semantics. When you say "poly" to me, that means
polyethylene, polypropylene, etc. "Poly" by itself really means
nothing, except some unspecified polymer."
....and also some useful info.

Indoor Polyurethane. Never heard of the other two used for wood finishes.
I wasn't really arguing semantics, just trying to learn. Thanks for the
useful info and link - I am going to read it tonight.

Red