home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 70,460 of 72,318   
   George Herold to Ralph Mowery   
   Re: Solder paste   
   08 Feb 18 09:24:40   
   
   From: gherold@teachspin.com   
      
   On Thursday, February 8, 2018 at 10:10:37 AM UTC-5, Ralph Mowery wrote:   
   > In article <8e42efb2-389d-4edb-b939-fe05e5cc164b@googlegroups.com>,   
   > bruce2bowser@gmail.com says...   
   > >  >   
   > > > > > 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.   
   > > >   
   > > > Hey you should walk on the wild side sometimes.  Water based flux is fine   
   > > > for low impedance stuff. (~<1 Meg ohm).  It's fast and cleans up nicely.   
   > > >   
   > > > What do you use to clean off rosin?   
   > >   
   > > Alcohol won't work?   
   > >   
   > >   
   >   
   > I use Alcohol to remove the flux.  Usually 91 % is the most you can find   
   > locally, but I usually order some 99% to do the cleaning with.   
   >   
   > Most often for the SMD and PC work I try touse some of the no clean   
   > flux, but clean it with Alcohol anyway.   
      
   I use acetone and a cotton swab for small stuff.  For a   
   big board 91% IPA and then rinse with detergent and hot water.   
   (but I don't really like that.)   
      
   George H.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca