>Hello All. >I just wonder if anybody knows about PCBs coating >to prevent moisture damage. >I prefer soft silicone the type I can submerge >complete board in to and let access to drip off. >And after it cures it wil stay as soft as possible. >Thank You for any links and part numbers . > Ivo > Dow Chemical makes silicone conformal coating. Normally, the coating is applied only a few mils thick, so "soft" is not a relevant term. It's flexible, if that's what you mean, and if it's cured in bulk, it's sort of rubbery. Contact info is at http://www.dow.com/assistance/infocenter.html Reg Neale