Russell, Thanks for doing all of that work! All I really needed was a point in the right direction; next time I'll=20 ask for a little more specific response and see if I can save you all=20 that time..... The PICList is a wonderful resource. Mark Skeels Engineer Competition Electronics, Inc. TEL: 815-874-8001 FAX: 815-874-8181 www.competitionelectronics.com On 10/11/2010 6:28 PM, RussellMc wrote: >> What is the failure mechanism involved when non-electronic grade >> silicone caulk is used on or near electronic components? >> >> Could it be used in close proximity to electronic components, in a >> semi-enclosed space such as a vented plastic enclosure, if allowed to >> cure for sufficient time? > Summary: > > 0. "Non electronic" will usually be fine as long as it is NOT acid cure. > 1. Don't use acid cure unless you have a really really good reason to. > 2. You are unlikely to have a really really good reason. > > [SNIP] --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .