At 12:15 AM 8/12/96 -0500, you wrote:
>I extracted 6 supers last night and got upwards of 200 lbs of good honey.
>One frame had a small area on one side that was rigid, and transparent,
>almost like plexiglass but very thin. Has anyone on the list seen
>anything like this before? Thanks, Doug Henry.
 
 
Sounds like you were using Duragilt foundation to me.  Has plastic under the
wax imprinted cell structure.
                            Dennis Meeks