| Electronics > Beginners |
| Soldering tip melts |
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| mariush:
--- Quote from: Keosintal on February 02, 2019, 02:18:48 pm ---Yeah my choices here is pretty limited. Only 3 kind of solders are available to me: 1. Locally made with no label of information. This one produces shiny joint which I learn is good. 2. Leaded 60/40 rosin core. This one produces dull/matte finish which I learn indicates poor quality leaded solder 3. Goot lead free. I'm uncertain of the details because I never check it out since I always avoid lead free solder after watching YouTube and reading forums saying bad things about them. --- End quote --- Shiny means that it has lead in it. Lead free solder typically leaves dull / matte finish. So most likely that Leaded 60/40 solder is actually lead free solder with a fake label, or a leaded solder with a bad chemical composition (maybe 40/60 or made out of recycled solder?) You don't say where you are... i suspect Malaysia from searching for "Burnley" in Google. Anyway, can't you order things online? There are distributors which have reasonable shipping costs See if there's a Farnell.com / Newark.com site for your country (or if there's distributors in your country) : https://www.farnell.com/ Same for RS-Components : http://www.rs-online.com/ TME.EU may be worth checking out. They're a Polish (EU) company which has very good prices for Liquid / Gel fluxes .. the ones made by AG Thermopasty are decent : https://www.tme.eu/en/katalog/#id_category=100484&page=1&s_field=accuracy&s_order=DESC I wouldn't mind paying even 20$ for shipping, when I can buy a 500ml bottle of no-clean liquid flux for 10$ (10-20ml flux pens are usually that much) ... that would last you a long time. They also have solder wire, but they only stock lead free solder these days (Stannol is a good brand in their catalogue). |
| Psi:
--- Quote from: mariush on February 02, 2019, 02:35:56 pm ---Shiny means that it has lead in it. Lead free solder typically leaves dull / matte finish. So most likely that Leaded 60/40 solder is actually lead free solder with a fake label, or a leaded solder with a bad chemical composition (maybe 40/60 or made out of recycled solder?) --- End quote --- Yep, could definitely be fake leaded that's actually lead-free. Flux will also make a joint shiny though, It allows the metal to flow nicely so that it solidifies into a totally smooth reflective finish. |
| Keosintal:
--- Quote from: mariush on February 02, 2019, 02:35:56 pm ---So most likely that Leaded 60/40 solder is actually lead free solder with a fake label? --- End quote --- Might be, but I don't see the point of them doing that. And I thought lead free is more expensive? I can't tell the price difference though. The local brand and the 60/40 are sold in different weight packs and the local ones didnt even label the net weight so it's tricky to tell. --- Quote from: mariush on February 02, 2019, 02:35:56 pm ---You don't say where you are... i suspect Malaysia from searching for "Burnley" in Google. --- End quote --- Good guess. And you're creeping me out now because my Google search result of Burnley didn't show Malaysian links. --- Quote from: mariush on February 02, 2019, 02:35:56 pm ---Anyway, can't you order things online? --- End quote --- I can't for different reasons. |
| soldar:
--- Quote from: Psi on February 02, 2019, 01:38:22 pm --- Plumbers flux totally destroys electronics and iron tips. --- End quote --- My last house had solar collectors with a holding tank in the basement and some electronics which controlled the pump and other things. One day it stopped working. After much troubleshooting I found out that, during installation work, some plumber's flux had dripped into the electronics. It took some time to do its work but by now the PCB was totally corroded. |
| soldar:
--- Quote from: Ian.M on February 02, 2019, 01:05:46 pm --- --- Quote from: Keosintal on February 02, 2019, 12:25:58 pm ---- I use Burnley soldering paste. It states on the package containing zinc chloride --- End quote --- That's a very aggressive acid flux, and is only suitable for plumbing and sheet metalwork. --- End quote --- I did not know the brand but searching online shows they make soldering paste for electronics so it depends on what he got. |
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