From: pcdhSpamMeSenseless@electrooptical.net   
      
   On 01/27/2018 03:36 PM, Ian Field wrote:   
   >   
   >   
   >  wrote in message   
   > news:1c86a3ef-5b3d-400f-88b4-207556eb17e2@googlegroups.com...   
   >> On Sunday, January 7, 2018 at 1:21:58 PM UTC-5, Ian Field wrote:   
   >>> "Andy K"  wrote in message   
   >>> news:ec18876d-124e-41cd-8b33-bc56195ecfdc@googlegroups.com...   
   >>> > On Saturday, January 6, 2018 at 2:05:38 PM UTC-6, George Herold wrote:   
   >>> >> On Saturday, January 6, 2018 at 12:37:47 AM UTC-5, Andy K wrote:   
   >>> >> > I having been using Oatey solder paste when soldering large   
   >>> diameter   
   >>> >> > wires.   
   >>> >> > I know it's designed for copper pipes.   
   >>> >> >   
   >>> >> >   
   >>> >> > Is there something better?   
   >>> >> >   
   >>> >> > Thanks,   
   >>> >> >           Andy   
   >>> >>   
   >>> >> Ughh, OK I did that when I was starting out, and promptly   
   >>> >> was 'talked to' by an older tech.  The problem with the acid   
   >>> >> pipe solder is you have to get it all off, with water or something,   
   >>> >> (just like when you do copper pipe plumbing.) otherwise it corrodes   
   >>> >> over time and your pcb/circuit turns into this ugly green thing.   
   >>> >>   
   >>> >> As Phil said get some rosin core solder/flux.  You can also buy   
   >>> >> rosin flux in a little jar. (snuff box size.)  I use that for   
   >>> >> tinning bigger wires.   
   >>> >>   
   >>> >> George H.   
   >>> >   
   >>> > Ok, that makes sense.   
   >>> >   
   >>> > I only used it on large gauge wires and never on circuit boards.   
   >>>   
   >>> Fluxite brand paste is less aggressive than plumber's flux, but its   
   >>> grease   
   >>> based and cant be washed off with water.   
   >>   
   >> Is there a type or brand that is water soluble?   
   >   
   > There was a water based liquid flux, all I can remember is the can was   
   > red and beige.   
   >   
   > Its more aggressive, but that might not matter when you can wash it off.   
   >   
   > AFAIK: all PCB fluxes have to be water soluble since ozone layer   
   > legislation banned the cleaning solvents - might be worth seeking out   
   > which one is strong enough.   
      
   Umm, no.  Leaded processes with rosin flux and solvent clean are readily   
   available, at least over here.  I use them exclusively.   
      
   Cheers   
      
   Phil Hobbs   
      
   --   
   Dr Philip C D Hobbs   
   Principal Consultant   
   ElectroOptical Innovations LLC / Hobbs ElectroOptics   
   Optics, Electro-optics, Photonics, Analog Electronics   
   Briarcliff Manor NY 10510   
      
   http://electrooptical.net   
   http://hobbs-eo.com   
      
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