I have some old samples that are single sided.

They are BEND/flex brand from
Rogers Corporation Composites Division
One Technology Drive
Rogers, CT 06263 USA

I have no way of knowing if this address is still valid.  This was
about 6 years ago!

------------
Barry King, KA1NLH
Engineering Manager
NRG Systems "Measuring the Wind's Energy"
Hinesburg, Vermont, USA
barry@nrgsystems.com
"The witty saying has been deleted due to limited EPROM space"