Debbie wrote: >--- Philip Pemberton wrote: > > > >>Hi folks, >> Does anyone know of a way to remove rosin flux and clear lacquer >>(Electrolube CPL) from an uncoated PCB? I've been using a toothbrush and >>isopropyl, but that doesn't seem to be particularly effective - it takes a >>lot of scrubbing to get the flux off and tends to leave a sticky flux residue >>on the board. >> Does anyone know of anything that will remove flux, but not leave the >>sticky residue? >> >> > >Caustic Soda (Sodium Hydroxide, NaOH) usually softens organics. Maybe try that, >then scrubbing, Cooper-Brite etc? >Debbie > >Send instant messages to your online friends http://au.messenger.yahoo.com > > For normal cleaning we use ethyl ("denatured") alcohol, as isopropyl is not much of a solvent. We use acetone ("fingernail polish remover" as a final cleanup only, because it dissolves some plastics used in our industry. --Bob -- Note: To protect our network, attachments must be sent to attach@engineer.cotse.net . 1-866-263-5745 USA/Canada http://beam.to/azengineer -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist