There are no residues to interfere with electrical testing. Exhibits improved soldering performance to minimize solder bridges (shorts) during rework operations. 10ml pen applicator with specially designed felt tip. Compatible with lead and lead-free solders. Superior fluxing ability. Eliminates the need and expense of cleaning. Non-corrosive tack-free residues. Colour as shown Capacity: 10ml Uses: For rework and touch-up of SMT, SMD, and through-hole solder joints.