Sal Ammoniac (WAS: [Elecraft] Hakko 808 tips)

[Tom Hammond]

Hi Ron:

Kester no-clean is just fine! It's only "No-Clean' because it uses only 
1/1% flux, compared to the 2.2% and 3.3% flus in most 'regular' flux-cored 
solders. It's 'no-clean' because it leaves minimal residue.

73,

Tom   N0SS

At 09:03 AM 10/8/2005, you wrote:
>How about Kester's NO CLEAN ?  I used that to build my entire K2 as well as
>several other kits and 'projects' .  The only drawback I noticed is that
>removing something after it is soldered in place requires a little extra
>care and time.  My solder joints still appear fine after a couple of years
>anyway.  I hope not to wake up one day to find them all eaten through!   I
>didn't do any extra cleaning steps after soldering, that's WHY I bought the
>NO CLEAN.
>
>RonE.
>
>====
>Along that same line, there are some new fluxes sold specifically for
>electronic use that are advertised at "no clean" that are also very
>dangerous. These fluxes, like acid fluxes used by plumbers and the like,
>remain active at room temperature. They are sold for use in mass production
>where the boards are thoroughly washed after soldering to remove the
>remaining flux immediately. Most of these fluxes are water-soluble so the
>washing doesn't involve dangerous chemicals, but it's absolutely critical
>that be done, and done thoroughly and properly. If not, the joints will be
>eaten through by the flux after a few months, destroying the entire circuit
>board. The message is that not all 'electronic' solders are safe to use on
>the bench.
>====
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