How To Clean Solder Flux Residue

Engineers can use surface mount reflow SMT wave select or hand soldering.

How to clean solder flux residue. I use Kester 44 activated rosin flux core solder Sn63Pb37 031 for most of my soldering. Never allow solvents or water to drain into connector body. However the alcohol seems to discolor the beautiful blue soldermask.

Or you might be better off ditching your current solder paste and using a different type. Do not use too much pressure as this may cause the solder point to break. Try a better cleaner like CHEMTRONICS ES835BE Flux Remover.

This depends greatly on what kind of solder and flux you used. In order to effectively clean and remove no clean solder pastes and no clean flux residues a polar solvent or a solution of water and saponifier is necessary. CJs Flux Removeris designed specifically to do this.

The dissolved flux residue sticks to the wipe and is therefore not spread around the board. Check with the manufacturer for recommended solvents. 2 Use the toothbrush to gently brush the solder flux on the PCB applying the alcohol or acetone.

While this is acceptable for certain applications it is also necessary to determine the proper temperature and dwell time for the flux to. A variety of No-Clean solder paste flux residues are discussed including a halogen containing lead-free solder paste flux a halogen-free lead-free solder paste flux a halogen-free lead-free solder paste flux with a residue optimized for pin probing and a. Assuming the assembly will accommodate local cleaning some methods simply cut the residue concentration by spreading it across a larger surface area.

Flush with lots of clean water to rinse away any residue. July 29 2017 110000 am. Solder paste flux residue after reflowing.