Electronics > Beginners
Soldering tip melts
Psi:
Part of the problem here is that 'Burnley Soldering Paste' has an odd name from an electronics industry perspective.
The plumbing industry have their own terminology which is different to electronics.
They are calling their product soldering paste when it's really flux paste, and solder paste in electronics is something completely different.
Psi:
--- Quote from: Keosintal on February 02, 2019, 02:18:48 pm ---
--- Quote from: tooki on February 02, 2019, 01:05:59 pm ---For the solder: Either rosin or no-clean (I generally prefer rosin), and if it’s just for hobby use, get a quality leaded 63/37 or 62/36/2 (silver-bearing) solder from a quality brand like Kester, MG Chemicals, Multicore/Loctite, Stannol, or Felder.
--- End quote ---
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 ---
From your list there i would go with 2. leaded 60/40 rosin core. That is pretty standard solder for electronics use.
I'm not sure why you are getting a dull finish with it. Sometimes very old or crap quality 60/40 can make dull joints.
Or maybe because you tried the acid core stuff and that gave you a super glossy finish and you're now comparing everything to that.
I would expect acid core to give a really nice gloss since it is a very powerful flux
If you make a joint with some 60/40 rosin and post a photo maybe we can tell you if its good or not.
Keosintal:
--- Quote from: Psi on February 02, 2019, 01:48:02 pm ---Need to sort out terminology. I'm not entirely sure what you are referring to when you say "Paste"
Saying "paste" should always refer to 'solder paste' the stuff that looks like gray toothpaste.
If instead it's clear/yellow then it's either flux gel or liquid flux.
Paste = solder paste, a mix of flux and tiny balls of solder used for soldering surface mount parts with hot air
Flux = a clear/yellow liquid or gel that you can add to joints to help improve soldering
Solder = A metal wire that melts under 450C/842F and has flux embedded inside it. It comes in two main categories, acid core solder for plumbing and electrical solder for electronics.
--- End quote ---
Thanks. Really helpful.
Keosintal:
--- Quote from: Psi on February 02, 2019, 02:23:33 pm ---I'm not sure why you are getting dull finish with it.
Maybe you tried the acid core and that gave you a super glossy finish and are comparing it to that.
I would expect acid core to give a really nice gloss as it is a very powerful flux
--- End quote ---
I only use it a couple of times. When my first unit broke, I thought the solder I use was to blame so buy this one. After I saw the dull finish I stopped using it for fear of it damaging my tip.
Psi:
If your 60/40 says "Rosin" on it then its safe to use.
It may/may-not be the best quality solder but it shouldn't damage your iron tip.
Put the "Burnley soldering paste" (flux) somewhere away from electronics. Anything electronic related that it touches will be damaged, even after a single exposure. Think of it like acid, anything it touches will be eaten away.
Or return it to the shop and tell them its acid flux. If the shop is for electronics only and doesn't sell plumbing supplies then they may have ordered it by mistake
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