Size:4.2 fl. oz. The 835 Rosin Flux contains a type RA rosin-activated fluxcomposed of pure Water White (WW) grade gum rosin. It is a unique solventsystem that contains very effective activators. The superior fluxing remainsconsistent throughout the entire aeration process. The 835 provides fastwetting action and complies with all requirements for type ROM1 flux perJ-STD-004. Application: The rosin flux is designed for leaded and lead-freechemistries. Excellent for prototyping and rework/repair on printed circuitboards. Works well on chip carriers, heat sinks, surface mounted device pads,switches, and sockets.