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[ARCHIVED THREAD] - Reusing silver solder

Posted: 6/6/2007 4:51:33 PM EDT

Can you remelt and use the silver bearing solder that drips/runs off of your project? With prices the way they are, I hate to throw the stuff in the trash.

Posted: 6/8/2007 9:13:38 AM EDT

[#1]

Not really.
It is contasminated and would not make a reliable joint.
If the rod contained phosphorous for fluxing it is gone.

Posted: 6/9/2007 9:30:30 AM EDT

[#2]

if you really wanted too you could, you would have to get a bunch of the flux that is sold by itself, and it would be a real PITA.

Posted: 6/10/2007 6:14:16 AM EDT

[#3]

I didn't think silver bearing solder had flux in it. Am I wrong?

Posted: 6/10/2007 6:21:29 AM EDT

[#4]

Many silver bearing solders contain phosphorous to act as a flux.
No additional flux is often needed for these alloys.
The heavy use of TXVs in A/C work has made separate flux not acceptable.
Flux leaves enough corrosive residue to damage the TXV.

Posted: 6/10/2007 7:39:34 AM EDT

[#5]

Quoted:
Many silver bearing solders contain phosphorous to act as a flux.
No additional flux is often needed for these alloys.
The heavy use of TXVs in A/C work has made separate flux not acceptable.
Flux leaves enough corrosive residue to damage the TXV.

Didn't know that. They do sell the flux at the AC shops and I have seen the techs buy it. I have used flux on a few systems where the pipe was very dirty, won't do that again.

[ARCHIVED THREAD] - Reusing silver solder

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[ARCHIVED THREAD] - Reusing silver solder

[ARCHIVED THREAD] - Reusing silver solder