... anti scratch, anti pollution, anti solvent chemical etc . Mainly applicable in steel, Aluminum industry for tracking\recognition under high temperature. ... without water 3minNo affectTerpene soldering flux 3minNo affect10%NaOH solvent 3minNo affect100C ION water,10 minNo affect82ºC, ... STD-202G/883E standard,specimen in the appointed chemical solvent,then brush 10 tims,watch the surfaceRemarks: Above ...