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  • Circuit board glue?

    I have managed to pull the wires of a linear servo (while removing the tail on one of my 130x's). I have resoldered them and it all work fine but what would you use to stop them being easily coming off again? There was originally a white hard glue there (maybe from a glue gun). I don't have a glue gun but wondered if I could use maybe a dab of silicone sealant or something similar? Any suggestions? I guess anything that's non-conductive and will stick to PCB (and dry hardish) should do the job?

  • #2
    A dab of hot glue from a glue gun should be fine. It has a very high electrical resistance and if you wait for the gun to get nice and hot, it flows and sneaks into the gaps/surfaces nicely
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    • #3
      silicone sealant is fine, it has high electrical resistance, if you can find one with a low viscosity it will flow into the gaps and provide a degree of water proofing. Plus you don't have to get any more heat close to the board

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      • #4
        stick with a glue gun
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        • #5
          Not sure I fancy silicone bath sealant here - IIRC it releases acetic acid as it cures.
          Trev
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          • #6
            Originally posted by dillwhacker View Post
            Not sure I fancy silicone bath sealant here - IIRC it releases acetic acid as it cures.
            Indeed, it is not particularly inert, unlike hot glue, and its also almost impossible to get it off should you want to / need to resolder.
            Logo 600 3D --- Vortex Vx1n
            JR Forza 700 --- Vortex Vx1e

            Team Macgregor flight team and Magregor industries field rep

            Co-founder of South Hants Helis - and now on Facebook
            And the proud wearer of one

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            • #7
              Hot glue guns can be purchased for very reasonable prices nowadays.
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