[Heathkit] OT question on soldering flux

[Ralph S. Turk]

Paste flux almost always contains some sort of acid. Use only pure rosin flux that can 
be mixed with tech grade alcohol. You can then use the alcohol to wash the flux off. 
Ralph 

----- Original Message -----

From: "rbethman" <rbethman at comcast.net> 
To: heathkit at mailman.qth.net 
Sent: Tuesday, September 8, 2015 9:19:42 AM 
Subject: Re: [Heathkit] OT question on soldering flux 

Rob, 

There is a BIG difference! The No Clean Flux is primarily for SMT work, 
or as someone else said, it is for the new ROHS Solder. 

You definitely want the Solder Paste. 

It is also available at Lowe's and Home Depot. 

Sometimes you have to go look in the Plumbing Department. 

Lowe's also DOES have it in the tool department along with the propane 
torch kits. 

Regards, Bob - N0DGN 



On 9/7/2015 10:31 PM, Robert Myers wrote: 
> OT question on soldering since it looks like I may soon be doing a bit more 
> of that than usual. 
> 
> I see No Clean Flux liquid for sale at a local electronics shop. It sounds 
> better than flux where cleaning is required, but I see Rosin Flux for sale 
> right beside it, so there must be some trade off. 
> 
> Is there much of a difference? 
> 
> Thanks, 
> -- Rob 

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