![]() ![]() In fact, the only thing you should do with 70% rubbing alcohol is using it as rubbing alcohol or for cleaning cuts (and for the latter, 91% is fine too). This also does not need to be cleaned off, but being a sticky liquid, you usually want to clean it off - but it can be wiped off easily with a paper towel wet with 91% rubbing alcohol.ĭon't use 70% rubbing alcohol for cleaning circuit boards. Availability: 18 in stock, ready to be shipped. When additional flux is needed (for example, for soldering SMD parts - which is actually really easy once you learn "drag soldering") I use "no clean gel flux", the yellow stuff that comes in a syringe, dirt cheap on ebay/amazon. Pay in 4 interest-free installments for orders over 50.00 with. Rubbing alcohol (isopropyl alcohol / isopropanol, 91%) sort of works, but requires dilligent scrubbing with a toothbrush to get rid of all of it, and usually you don't get every bit, so it leaves unsightly outlines of white crap behind, so it looks dirtier than before you tried to clean it. ![]() I also have had a surprisingly hard time actually cleaning it off well. ![]() Rosin flux from rosin core solder does not need to be removed from the board. People don't use lead because it's poisonous, they use it because it has better physical properties. Yes, I have used both the silver lead-free solder and the non-silver-containing stuff (which is almost unusable) - leaded solder is still better. Just a minimal level of basic hygiene is fine. 100 lead-free paste flux cleans and fluxes copper piping to provide uniform solder flow Petroleum base provides cleaning effectiveness Specifications Dimensions Assembled Depth (in inches) 2.30 Assembled Height (in inches) 0.80 Assembled Weight (in lbs) 0.10 Assembled Width (in inches) 2.30 Packaged Depth (in inches) 3. The bioavailability of metallic lead is negligible. People get unreasonably worked up about solid metallic lead. Metallic lead isn't particularly hazardous (solder paste, as in what's used for reflow work) since its so finely divided, I'm somewhat more careful of. Lead solder flows better and requires lower iron temperature, so it's easier to rework without lifting traces. I recommend lead solder - 63/37 is preferable over 60/40, though I often use 60/40 without issue. ![]()
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