How To Clean Soldering Flux

Squirting some tiny bits never work.

How to clean soldering flux. Cleaning flux is good for removing oxide coating but needs to be cleaned afterwards. After securing and preheating the PCB and void in a vice or PCB holder you suck the solder off the board by squeezing and releasing the bulb from behind the hole. This depends greatly on what kind of solder and flux you used.

Wipe of the excess flux from the soldered joint with a piece of paper towel. Usually no-clean flux cleans up nicely with isopropyl alcohol or distilled water. Could you advice if our process is right and could you recommend any better solutions andor.

Following the reflow process the flux leaves a small amount of residue around the various solder joints. Of baking soda with enough warm water to make a paste. Trying to remove water-soluble flux with tap water may replace flux contaminants with ionic contaminants in the tap water.

Solder flux residue can be removed in two steps. 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. But my motherboard now has yellow stains after marks of soldering or maybe soldering flux paste.

To prevent damage to the board you should re-solder your soldering iron now and then as the technique will remove solder from it. Then use a gentle scrubber or a cotton swab to wipe it away. 2 Use the toothbrush to gently brush the solder flux on the PCB applying the alcohol or acetone.

Hi migs i use a flux removing spray you should get that from most electronic suppliers i use maplin or rapid electronics here in the UK. The flux will be activated by the heat that will start a chemical reaction to eliminate the oxidation. I spray it on leave for a few seconds and work it with an old toothbrush then spray it again to clean off any remaining residue.