Jeep,

Check out Epoxy Resin (Amazon etc.).  It's pourable.  Craft people use it for casting.  There are also a similar products for making fiberglass repairs.  That might be a little more viscous. 

I used stuff like this to pot my proprietary antenna couplers in the old days.

YMMV,
AL

On 3/24/2025 8:45 AM, Doran Platt via MRCA wrote:
I have had to make up a few connectors, primarily from open headers, vice from total scratch. I have been using JB Weld with good success.  However, when things are at close quarters, pin wise, the JB does not flow elll (cold flow) into the nooks and crannies.  So, what do you all use?  I visited H.D. and looked for something either JB or Gorilla that might be more fluid.  I bought a clear type but its not clear it will dry properly in a larger volume.  All the 2-part epoxy products are simply non-flowing. All suggestions appreciated.
Jeep K3HVG 

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--
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/