How To Clean Soldering Flux
The most common way to clean flux residues from a repair area is to saturate a cotton or foam swab with isopropyl alcohol or another cleaning solvent and rub it around the repair area.
How to clean soldering flux. Using a specially designed cleaner or brass to clean the soldering irons tip. Flick away excess by flipping your wrist two or three times. Then use a gentle scrubber or a cotton swab to wipe it away.
Trying to remove water-soluble flux with tap water may replace flux contaminants with ionic contaminants in the tap water. How to make and use desoldering wire to remove solder off circuit boards guide use old power cord or speaker wire flux soldering iron it works to remove. There are also several brands of chemical cleaners specifically designed to clean flux goop.
To remove any kind of flux you need to apply a lot of removers. But my motherboard now has yellow stains after marks of soldering or maybe soldering flux paste. Do not use too much pressure as this may cause the solder point to break.
Check with the manufacturer for recommended solvents. Solder flux residue can be removed in two steps. They come in aerosol cans like hair spray or shaving cream.
1 Dip a clean toothbrush in isopropyl alcohol or acetone. Cleaning flux is good for removing oxide coating but needs to be cleaned afterwards. In the second step another fluid is used to rinse away the solvents leftovers.
To prevent damage to the board you should re-solder your soldering iron now and then as the technique will remove solder from it. After applying the remover leave it for few seconds and then brush it away. Use de-ionized water where possible or distilled water if nothing better.