Electronics > Manufacturing & Assembly

Chinese Blob Adhesive

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ehughes:
I am trying to figure the best adhesive to use on assemblies for securing patches, etc.     You always see the "snot" of consumer electronics.      I have used everything from superglue to silicon RTV.    I would like to find a product that gets stiff (but not too stiff) and dispenses well.

wraper:
Superglue is a bit conductive, so no good. I find Electronics grade/neutral RTV silicone is among the best for the long term reliability. Of course if you need faster cure time or apply a very thick layer, two component adhesives would be a better choice.

station240:
Another to consider is Hot Glue.

Ice-Tea:

--- Quote from: station240 on February 24, 2016, 01:02:04 am ---Another to consider is Hot Glue.

--- End quote ---

Please, dear Lord, no. There's this minor issue with hot melt: it melts when it gets hot. As electronics often do. Once had a batch of Chinese PSUs. If you turned them upside down, the goo would be leaking out  :--

AndyC_772:
https://www.dowcorning.com/content/electronics/electronicsproducts/adhesives-sealants-overview.aspx

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