Catalog > Consumer Electronics > Electro-Chemicals > Cleaners and Solvents NASCO Self-cleaning Flux Self-cleaning Flux NASCO FLUX 200G NASCO Self-cleaning Flux 200G, Water Soluble, Activates on Heating, Ideal for Copper Joining & Has Excellent Wetting Properties 74.35 ZAR inc for 1 Each 13 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview NASCO's plumbing fluxes, known as NASCO FLUX, is a water soluble, self-cleaning flux that activates on heating. The flux is specialised designed for copper joining and has excellent wetting properties thus ensuring the solder makes a solid joint between the copper fitting