Electronics > Beginners
Favorite way to apply rosin flux? And cleaning leftover?
AnyNameWillDo:
So I was considering getting a bottle of this rosin flux (MG Chemicals Liquid Rosin Flux, for Leaded and Lead Free Solder, 125 ml Bottle): https://www.amazon.com/gp/product/B005DNR01Q/
However it seems like there are many options for applying it. Pens, bottles, syringes, brushes, etc.
What would you recommend? Do I need to purchase any additional cleaning tools in case I use too much flux, or after doing flux + solder + iron and there's still a little flux left?
GreyWoolfe:
I have a squeeze bottle with a syringe and a bottle with a brush, similar to a nail polish bottle, these are cheap and cheerful on eBay. For cleaning, I have alcohol swabs, Q-tips and alcohol, and for stubborn residue, an old toothbrush. By the way, I use the same flux.
exe:
--- Quote from: blueskull on July 23, 2018, 07:10:52 am ---Your $1000 budget mentioned in the other thread needs to be stretched by a lot margin to get a decent US cleaner.
Talking about $650 minimum (Crest P230, check out Louis Rossman's webstore).
--- End quote ---
What about 10x cheaper Chinese cleaners? I saw them working reasonably well (on youtube)...
Frankly, I won't be bothered with this, as the residue is not conductive anyway.
--- Quote from: blueskull on July 23, 2018, 07:10:52 am ---If you have particular requirement of picoamp level leakage or femtofarad level of dielectric coupling, then anyway $1000 isn't going to get you go anywhere.
--- End quote ---
Idk, some tens of picoamps can be measured relatively cheaply (like using µCurrent or a DIY meter). Of course an electrometer would be nicer. Old keithelys start from like $300 on ebay. I bought µCurrent for this purpose, but haven't had time to check its performance. Also don't have high-value resistors :(
(Don't know how to measure femtofarads)
AnyNameWillDo:
I am considering using these nail polish bottles
Nakpunar 6 pcs Oblong Empty Glass Nail Polish Bottles with Brush, Cap and Mixing Agitator balls: https://www.amazon.com/gp/product/B075QHD6MT/
to hold this flux
(MG Chemicals Liquid Rosin Flux, for Leaded and Lead Free Solder, 125 ml Bottle): https://www.amazon.com/gp/product/B005DNR01Q/
Would this work? Do the brushes stay workable or do they gum up over time? Wondering if I should stick with a flux pen instead, assuming that minimizing exposure to air keeps it working longer.
GreyWoolfe:
--- Quote from: AnyNameWillDo on July 23, 2018, 10:24:27 pm ---I am considering using these nail polish bottles
Nakpunar 6 pcs Oblong Empty Glass Nail Polish Bottles with Brush, Cap and Mixing Agitator balls: https://www.amazon.com/gp/product/B075QHD6MT/
to hold this flux
(MG Chemicals Liquid Rosin Flux, for Leaded and Lead Free Solder, 125 ml Bottle): https://www.amazon.com/gp/product/B005DNR01Q/
Would this work? Do the brushes stay workable or do they gum up over time? Wondering if I should stick with a flux pen instead, assuming that minimizing exposure to air keeps it working longer.
--- End quote ---
You won't need the agitator balls. I bought the bottles about 6 months ago and I am only using 1 right now. The brush is still very supple. Just be careful to clean the threads of flux when done or it will glue the cap closed. |O You get :-+ :-+ for the flux.
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