What is this white goo?

Thread Starter

jonhamil

Joined Oct 9, 2011
9
Hi

Apologies if this is a stupid question - I am refurbishing a circuit board and have found several components are protected from vibration with a white sealant / glue (see example on photo). I have scraped most of it off, but some remains.

Can anyone advise me exactly what it is called? Even better would be an RS / Farnell P/N?

Many thanks in advance,

Jon
 

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ErnieM

Joined Apr 24, 2011
8,040
Seeing the board itself before you pulled the part would make a positive ID easier.

It's probably just some silicon caulk. Best purchased from a Home Depot or Lowes.
 

Thread Starter

jonhamil

Joined Oct 9, 2011
9
Thanks - there is some more of this stuff elsewhere (see picture).

I am sure it is more scientific than ordinary caulk. Digikey must do something like this just not sure what it's exact description is.

Any more ideas?

Many thanks in advance,

Jon
 

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debe

Joined Sep 21, 2010
1,158
If you are going to use Silicone caulk make sure its Neutral cure, as some are corosive. Hot glue is probably cheaper & safer (non corosive)
 
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