I have several ds1820 temperature sensors sealed this way, hanging outside for couple of years now, no problems so far. That heatshrink did not have it's own glue inside. On Sat, Jul 17, 2010 at 10:29 AM, Sean Breheny wrote: > I think that the adhesive inside of the adhesive-lined heatshrink IS a > type of hot-melt glue. I know that it can be reflowed by applying > heat. So, it makes sense that adding additional hot melt would allow > you to make a watertight seal, although I'm not 100% sure that hot > melt glue is completely waterproof and doesn't absorb water > eventually. > > Sean > > > On Sat, Jul 17, 2010 at 3:25 AM, KPL wrote: >> Hot glue can be used instead of RTV, It works excellent together with >> heatshrink. >> I have done this with success, glue melts when shrinking the tube, and >> excess is squeezed out. >> >> A bit tricky to get the glue in there, but doable. >> -- KPL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist