what does the membrane need to prevent from passsing because you can
order .100 micron membranes form companies like www.avantilipids.com

adrian

ankit baid wrote:

>we are currently working on a MEMS based moisture sensor to measure the
moisture content is soils.
>The problem we are facing is to find a suitable water permeable membrane for
out design.
>It would be great is someone out there could help us out with a few suggestions
as to what
>type of material would be good to be used as a water permeable membrane.