Sapphire No-Clean Flux 50mlDCCconcepts Sapphire No-Clean flux is an ideal companionthat will make it possible for you to make perfect joints easily every time inelectronics, soldering wires to track, working on or re-working brass,whitemetal or nickel silver kits… In fact anywhere that later clean might bedifficult to do! The ONLY time you may want to clean this flux offpost-soldering is if you wish to paint the area you have soldered, in thatcase, a simple wipe over with cloth or cotton bud dipped in Isopropyl alcoholor even methylated spirits is all that is needed.