Convenient and economical, this money-saving, time-saving RMA flux remover in a pocket-sized cleaning pen removes heavy, aged fluxes and burned-on solder pastes that no other cleaner can touch. It’s perfect for spot-cleaning during rework and repair. Economical and versatile, removing both tin/lead solders and high temperature lead-free solders. Also removes inks, finger prints, oxides, oils and grease. Good choice for military-grade PCBs. Dissolves white residues. No residues.