100% New and High Quality Model: 951 Feature: Halogen-free, non-rosin organic flux pen. Designed for rework of conventional and surface mount circuit board assemblies. Low solids content and nature of the activator system results in practically NO RESIDUE left on the assembly after soldering. There are no residues to interfere with electrical testing. Exhibits improved soldering performance to minimize solder bridges (shorts) during rework operations. Compatible with lead and lead-free solders. Non-corrosive tack-free residues,without cleaning. For rework and touch-up of SMT, SMD, and through hole solder joints. Suitable for automotive, computer, telecom.