VER, I had a problem similar to yours. Tried Mike Jefferies link but did not work.
I found Toyobo membranes at
http://www.toyobo.co.jp/e/seihin/ro/hollosep/holosep1.htm
Hope this data is useful for you.
Hector Polenta, Eng.
www.elinge.com
Hi. I am researching the possibility of fitting a sensor to an intelligent pig to detect holes in a pipeline usually made with theft purposes.
Does anybody have an idea about the things regularly used for this job? I would appreciate both, commercial and technical ideas.
So far, I'm thinking...