100 ml. / (2x50 ml.) CIRCUITWORKS CW3220 NO CLEAN LIQUID FLUX Flux for Solar Cell Soldering Gaming Systems and other soldering projects... The Lead-Free Flux applies a non-corrosive,halide-free No Clean flux, that meets the Bellcore Standard TR-NWT-000078 and passes the IPC specification SF-818 for surface insulation resistance (SIR). The instant wetting action of the Lead-Free Flux provides thorough deoxidation of metal surfaces, leaving the best possible surface for solder to metal bonding. NEEDED FOR XBOX 360 AND PLAYSTATION 3 REFLOW TO FIX THE RED RING OF DEATH AND THE YELLOW LIGHT OF DEATH SEE MORE FLUX IN MY STORE