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A comment on Check Out These Self-Soldering Sleeves from World War II. Parent comment

Re:Check Out These Self-Soldering Sleeves from World War II by fullspectrumdev on Friday February 02, 2024 @07:27AM (#39227837)
The pyrotechnic compound on the outside only has to get hot enough to melt the solder and flux inside the copper fitting.

I have no idea what the composition on the outside actually is - it’s pretty slow burning at least.

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