| General > General Technical Chat |
| Cleaning boards, removing flux from PCB's |
| (1/1) |
| NJ-Tom:
I've been keeping sane during the COVID-19 isolation by working on a project, but I'm not sure how I will be able to clean boards. My current procedure: * Techspray E-Line Flux Remover, scrub with toothbrush. * Then rinse in a container filled with 91% isopropyl alcohol, scrub with toothbrush. * Then two rinses with distilled water.There tends to be residue remaining after the flux remover that the alcohol does a reasonable job of cleaning off. (and it's fairly safe to use) Of course, it is impossible to get isopropyl alcohol anywhere, and I don't have much left so I don't want to waste it on cleaning boards. Any suggestions on how to improve my procedure / deal with the lack of alcohol? Use a different flux remover? Just use more of it? If it helps, here's what I'm cleaning up from: * Solder paste: MG Chemicals 4900P-250G SAC305, Lead Free No Clean Solder Paste * Solder wire: Kester 24-7068-1401, Lead Free Rosin Activated (RA) Wire Solder, Sn96.5Ag3Cu0.5 * Desoldering braid: Soder-Wick 80-4-5, Rosin, Non Activated (R), Lead FreeI also have to figure out an alternate way to clean the remaining paste off the stencils. |
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