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Hello,
we need a resin to encapsulate some electronic device that will work outside so need to be resistence to humidity and water. I have found this
could be fine?
Words of caution:-
Consider following things for the material should you choose:-
Water-proof
Fire-proof (not as much but its melting point shouldn't be low)
Conductivity
Beware of the water based caulks, they works when their water evaporates so water might get trapped inside of your circuit and that is something you don't want. Also, beware of the RTV with vinegar smells they tend to be corrosive in long terms.So be careful whatever you choose.
I've seen silicon based materials just working fine & I'm also aware of the enclosures(who doesn't). But my best bet & simple choice will be what clem57 suggested.Also, if you choose to use enclosure beware of the moister that will remain trapped inside the box. How about using a moisture absorbing bag inside it & sealing it with anything may be silicon based caulking 
mudz
Words of caution:-
Consider following things for the material should you choose:-
Water-proof
Fire-proof (not as much but its melting point shouldn't be low)
Conductivity
Beware of the water based caulks, they works when their water evaporates so water might get trapped inside of your circuit and that is something you don't want. Also, beware of the RTV with vinegar smells they tend to be corrosive in long terms.So be careful whatever you choose.
I've seen silicon based materials just working fine & I'm also aware of the enclosures(who doesn't). But my best bet & simple choice will be what clem57 suggested.Also, if you choose to use enclosure beware of the moister that will remain trapped inside the box. How about using a moisture absorbing bag inside it & sealing it with anything may be silicon based caulking
mudz
