The pen was specially developed to remove any type of flux. The pen quickly cleans R, RMA, and RA flux residues and precisely removes both organic and synthetic, low-solids no-clean fluxes.- For removing rosin flux residues and no-clean fluxes - Penetrates hard-to-reach areas - Controlled and precise application - Removes ionic and non-ionic residues - Excellent material compatibility - Fast drying - Version: for no-clean - Contents: 9 g