llile@SALTONUSA.COM 16:23 2004-06-18: >Paraffin wax is an old technician's trick to keep water out of things. It >is noncondctive and noncorrosive. easy to remove with reapplication of >heat. Beats silicon rubber, which sometimes contains acetic acid and eats >copper. Most (not all) one-component silicone glues etc react with water vapour in the air and produce acid. Theese are not intended for electronics and such. There exist two component silicones that are the best you can get even for high voltage encapsulaotins. > We used to fill outdoor sensor boxes with paraffin wax all the >time. I have seen it crack of low temperature when it is pretty nonflexible and have high contraction/temperature coefficient (what is the english term?) /Morgan -- Morgan Olsson, Kivik, Sweden -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body