MG Chemicals 835-100ML Rosin Flux - 125mL meets IPC J-STD-004B and is classified as type ROM1 for use with both leaded and lead-free solders. It is known for its fast wetting and excellent foaming properties, making it an ideal choice for general purpose soldering of PCBs, wire, cable, and semiconductors. This rosin-based flux is made with pure Water White (WW) grade gum rosin in a unique solvent system and is RoHS-compliant. It is also non-conductive, non-corrosive, hydroscopic, non-tacky, and fungus resistant. Use it with confidence in both automated and manual soldering applications, including solder coating or tinning leads, and apply it by spray, foam, or wave fluxing for efficient results.