How To Clean Solder Flux Residue
Each poses a risk due to the different volumes of flux used.
How to clean solder flux residue. Apply some CJs and using a soft to medium bristle brush or a clean soft rag scrub the project thoroughly. 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. Repeat the cleaning step using the clean portion of the wipe until the board is clean.
If there is any chance of flux-contaminated solvent wicking into these areas flush them with fresh solvent. Try a better cleaner like CHEMTRONICS ES835BE Flux Remover. To clean the flux residue I use 99 isopropyl alcohol with an Adafruit ESD-safe PCB cleaning brush Product ID1209 Kimwipes KCC34155EA03 and sometimes a little distilled water.
We have customers that are requiring no flux residue left on boards after soldering of non-water washable parts. Using a paint brush cleaner works for cleaning flux residue too. You can submerge the assembled board in a container that is filled with this and agitate it for some 30 sec.
Oily or Greasy Flux Residues Generally may be removed with an alkaline cleaner such as Fuze-Clean S. Engineers can use surface mount reflow SMT wave select or hand soldering. We currently use Multicore Crystal 502 No-Clean to solder parts that are not washable.
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. SMT REWORK FLUX RESIDUE REMOVAL SMD About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new. Most no clean pastes require an organic saponifier for effective flux removal but.
Intermediate and Corrosive Solder Fluxes Halides These fluxes leave a fused residue which absorbs airborne moisture causing a slow chemical reaction at the joint. However the alcohol seems to discolor the beautiful blue soldermask. Removal is generally accomplished by thorough washing in warm detergent.