TEC Peltier

Silicone or Epoxy Sealant
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Author:  bbragg [ Tue Feb 16, 2016 4:19 pm ]
Post subject:  Silicone or Epoxy Sealant

Do you have an opinion of which is best? Both will clearly keep condensation out but I'm curious to know if the silicone might actually be better as it has more give for expansion and contraction? Is that relevant at the distance and temp differential for these devices? Perhaps silicone will handle the thermal cycling better than epoxy?

Author:  flak-spammer [ Sun Feb 28, 2016 5:21 pm ]
Post subject:  Re: Silicone or Epoxy Sealant

Given the tendency of Silicone to remain stretchy after it has set, and the tendency for epoxy to remain hard after it has set I would suspect that Silicon makes a better sealant especially over wide negative temperature ranges. Now that's just my feelings.

Author:  bbragg [ Wed Mar 02, 2016 3:04 pm ]
Post subject:  Re: Silicone or Epoxy Sealant

Thanks. I was thinking the same but was curious if there was perhaps some outlier reason for epoxy that I hadn't considered. All of the makers must be offering it for a reason ... I'm just not sure what it is other than some environmental factor that silicone can't tolerate.

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